<Table> <Tr> <Th> Date </Th> <Th> Who </Th> <Th> Implementation </Th> <Th> Time </Th> <Th> Decimal places ( world records in bold ) </Th> </Tr> <Tr> <Td colspan="5"> All records from Dec 2009 onwards are calculated and verified on servers and / or home computers with commercially available parts . </Td> </Tr> <Tr> <Td> 31 December 2009 </Td> <Td> Fabrice Bellard </Td> <Td> <Ul> <Li> Core i7 CPU at 2.93 GHz </Li> <Li> 6 GiB ( 1 ) of RAM </Li> <Li> 7.5 TB of disk storage using five 1.5 TB hard disks ( Seagate Barracuda 7200.11 model ) </Li> <Li> 64 bit Red Hat Fedora 10 distribution </Li> <Li> Computation of the binary digits : 103 days </Li> <Li> Verification of the binary digits : 13 days </Li> <Li> Conversion to base 10 : 12 days </Li> <Li> Verification of the conversion : 3 days </Li> <Li> Verification of the binary digits used a network of 9 Desktop PCs during 34 hours , Chudnovsky algorithm , see for Bellard 's homepage . </Li> </Ul> </Td> <Td> 131 days </Td> <Td> 2,699,999,990,000 </Td> </Tr> <Tr> <Td> 2 August 2010 </Td> <Td> Shigeru Kondo </Td> <Td> <Ul> <Li> using y - cruncher by Alexander Yee </Li> <Li> the Chudnovsky algorithm was used for main computation </Li> <Li> verification used the Bellard & Plouffe formulas on different computers , both computed 32 hexadecimal digits ending with the 4,152,410,118,610 th . </Li> <Li> with 2 x Intel Xeon X5680 @ 3.33 GHz -- ( 12 physical cores , 24 hyperthreaded ) </Li> <Li> 96 GB DDR3 @ 1066 MHz -- ( 12 × 8 GB -- 6 channels ) -- Samsung ( M393B1K70BH1 ) </Li> <Li> 1 TB SATA II ( Boot drive ) -- Hitachi ( HDS721010CLA332 ) , 3 × 2 TB SATA II ( Store Pi Output ) -- Seagate ( ST32000542AS ) 16 x 2 TB SATA II ( Computation ) -- Seagate ( ST32000641AS ) </Li> <Li> Windows Server 2008 R2 Enterprise x64 </Li> <Li> Computation of binary digits : 80 days </Li> <Li> Conversion to base 10 : 8.2 days </Li> <Li> Verification of the conversion : 45.6 hours </Li> <Li> Verification of the binary digits : 64 hours ( primary ) , 66 hours ( secondary ) </Li> <Li> Verification of the binary digits were done simultaneously on two separate computers during the main computation . </Li> </Ul> </Td> <Td> 90 days </Td> <Td> 5,000,000,000,000 </Td> </Tr> <Tr> <Td> 17 October 2011 </Td> <Td> Shigeru Kondo </Td> <Td> <Ul> <Li> using y - cruncher by Alexander Yee </Li> <Li> Verification : 1.86 days and 4.94 days </Li> </Ul> </Td> <Td> 371 days </Td> <Td> 10,000,000,000,050 </Td> </Tr> <Tr> <Td> 28 December 2013 </Td> <Td> Shigeru Kondo </Td> <Td> <Ul> <Li> using y - cruncher by Alexander Yee </Li> <Li> with 2 x Intel Xeon E5 - 2690 @ 2.9 GHz -- ( 16 physical cores , 32 hyperthreaded ) </Li> <Li> 128 GB DDR3 @ 1600 MHz -- 8 x 16 GB -- 8 channels </Li> <Li> Windows Server 2012 x64 </Li> <Li> Verification : 46 hours </Li> </Ul> </Td> <Td> 94 days </Td> <Td> 12,100,000,000,050 </Td> </Tr> <Tr> <Td> 8 October 2014 </Td> <Td> Sandon Nash Van Ness `` houkouonchi '' </Td> <Td> <Ul> <Li> using y - cruncher by Alexander Yee </Li> <Li> with 2 x Xeon E5 - 4650L @ 2.6 GHz </Li> <Li> 192 GB DDR3 @ 1333 MHz </Li> <Li> 24 x 4 TB + 30 x 3 TB </Li> <Li> Verification : 182 hours </Li> </Ul> </Td> <Td> 208 days </Td> <Td> 13,300,000,000,000 </Td> </Tr> <Tr> <Td> 11 November 2016 </Td> <Td> Peter Trueb </Td> <Td> <Ul> <Li> using y - cruncher by Alexander Yee </Li> <Li> with 4 x Xeon E7 - 8890 v3 @ 2.50 GHz ( 72 cores , 144 threads ) </Li> <Li> 1.25 TB DDR4 </Li> <Li> 20 x 6 TB </Li> <Li> Verification : 28 hours </Li> </Ul> </Td> <Td> 105 days </Td> <Td> 22,459,157,718,361 </Td> </Tr> </Table>
<Table> <Tr> <Th> Date </Th> <Th> Who </Th> <Th> Implementation </Th> <Th> Time </Th> <Th> Decimal places ( world records in bold ) </Th> </Tr> <Tr> <Td colspan="5"> All records from Dec 2009 onwards are calculated and verified on servers and / or home computers with commercially available parts . </Td> </Tr> <Tr> <Td> 31 December 2009 </Td> <Td> Fabrice Bellard </Td> <Td> <Ul> <Li> Core i7 CPU at 2.93 GHz </Li> <Li> 6 GiB ( 1 ) of RAM </Li> <Li> 7.5 TB of disk storage using five 1.5 TB hard disks ( Seagate Barracuda 7200.11 model ) </Li> <Li> 64 bit Red Hat Fedora 10 distribution </Li> <Li> Computation of the binary digits : 103 days </Li> <Li> Verification of the binary digits : 13 days </Li> <Li> Conversion to base 10 : 12 days </Li> <Li> Verification of the conversion : 3 days </Li> <Li> Verification of the binary digits used a network of 9 Desktop PCs during 34 hours , Chudnovsky algorithm , see for Bellard 's homepage . </Li> </Ul> </Td> <Td> 131 days </Td> <Td> 2,699,999,990,000 </Td> </Tr> <Tr> <Td> 2 August 2010 </Td> <Td> Shigeru Kondo </Td> <Td> <Ul> <Li> using y - cruncher by Alexander Yee </Li> <Li> the Chudnovsky algorithm was used for main computation </Li> <Li> verification used the Bellard & Plouffe formulas on different computers , both computed 32 hexadecimal digits ending with the 4,152,410,118,610 th . </Li> <Li> with 2 x Intel Xeon X5680 @ 3.33 GHz -- ( 12 physical cores , 24 hyperthreaded ) </Li> <Li> 96 GB DDR3 @ 1066 MHz -- ( 12 × 8 GB -- 6 channels ) -- Samsung ( M393B1K70BH1 ) </Li> <Li> 1 TB SATA II ( Boot drive ) -- Hitachi ( HDS721010CLA332 ) , 3 × 2 TB SATA II ( Store Pi Output ) -- Seagate ( ST32000542AS ) 16 x 2 TB SATA II ( Computation ) -- Seagate ( ST32000641AS ) </Li> <Li> Windows Server 2008 R2 Enterprise x64 </Li> <Li> Computation of binary digits : 80 days </Li> <Li> Conversion to base 10 : 8.2 days </Li> <Li> Verification of the conversion : 45.6 hours </Li> <Li> Verification of the binary digits : 64 hours ( primary ) , 66 hours ( secondary ) </Li> <Li> Verification of the binary digits were done simultaneously on two separate computers during the main computation . </Li> </Ul> </Td> <Td> 90 days </Td> <Td> 5,000,000,000,000 </Td> </Tr> <Tr> <Td> 17 October 2011 </Td> <Td> Shigeru Kondo </Td> <Td> <Ul> <Li> using y - cruncher by Alexander Yee </Li> <Li> Verification : 1.86 days and 4.94 days </Li> </Ul> </Td> <Td> 371 days </Td> <Td> 10,000,000,000,050 </Td> </Tr> <Tr> <Td> 28 December 2013 </Td> <Td> Shigeru Kondo </Td> <Td> <Ul> <Li> using y - cruncher by Alexander Yee </Li> <Li> with 2 x Intel Xeon E5 - 2690 @ 2.9 GHz -- ( 16 physical cores , 32 hyperthreaded ) </Li> <Li> 128 GB DDR3 @ 1600 MHz -- 8 x 16 GB -- 8 channels </Li> <Li> Windows Server 2012 x64 </Li> <Li> Verification : 46 hours </Li> </Ul> </Td> <Td> 94 days </Td> <Td> 12,100,000,000,050 </Td> </Tr> <Tr> <Td> 8 October 2014 </Td> <Td> Sandon Nash Van Ness `` houkouonchi '' </Td> <Td> <Ul> <Li> using y - cruncher by Alexander Yee </Li> <Li> with 2 x Xeon E5 - 4650L @ 2.6 GHz </Li> <Li> 192 GB DDR3 @ 1333 MHz </Li> <Li> 24 x 4 TB + 30 x 3 TB </Li> <Li> Verification : 182 hours </Li> </Ul> </Td> <Td> 208 days </Td> <Td> 13,300,000,000,000 </Td> </Tr> <Tr> <Td> 11 November 2016 </Td> <Td> Peter Trueb </Td> <Td> <Ul> <Li> using y - cruncher by Alexander Yee </Li> <Li> with 4 x Xeon E7 - 8890 v3 @ 2.50 GHz ( 72 cores , 144 threads ) </Li> <Li> 1.25 TB DDR4 </Li> <Li> 20 x 6 TB </Li> <Li> Verification : 28 hours </Li> </Ul> </Td> <Td> 105 days </Td> <Td> 22,459,157,718,361 </Td> </Tr> </Table>
what is the highest number of decimal places for pi ever found
what is the highest number of decimal places for pi ever found
22,459,157,718,361
22,459,157,718,361