December 1994. Cosgrave, John B. A Remark on Euclid's Proof of the Infinitude of Primes, American Mathematical Monthly, Vol. 96, No. 4, 339–341, April 1989. Cosgrave, John B. Transcendental numbers in the p-adic domain (unpublished PhD thesis, 1972). Cosgrave, John B. An application of Wilson's theorem to prove that 2^p = 2 (mod p) when p is prime, A theorem about certain sequences, and A theorem about primes of the form a^2 + n^2, Mathematical Gazette, Oct. 1969. Cosgrave, J. B. A new proof of Wilson's Theorem and A new proof of Wilson's theorem for primes of the form (4n + 3), Mathematical Gazette, Feb. 1967. See also Prime number Fermat numbers Number theory References External links John B. Cosgrave's web site The website for the Folding Landscapes booklet A Prime For The Millennium, written by Dr. John B. Cosgrave, with an introduction by Tim Robinson Science.ie article on Dr. John B. Cosgrave Irish mathematicians Living people 1946 births People from County Cavan