Solutions by everydaycalculation.com

## What is the GCF of 1225 and 140?

The gcf of 1225 and 140 is 35.

#### Steps to find GCF

1. Find the prime factorization of 1225
1225 = 5 × 5 × 7 × 7
2. Find the prime factorization of 140
140 = 2 × 2 × 5 × 7
3. To find the gcf, multiply all the prime factors common to both numbers:

Therefore, GCF = 5 × 7
4. GCF = 35

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