Prime Decomposition of 7th Fermat Number/Historical Note
Jump to navigation Jump to search
Historical Note on Prime Decomposition of 7th Fermat Number
In $1909$, James C. Morehead and Alfred E. Western reported in Bulletin of the American Mathematical Society that they had proved that $F_7$ and $F_8$ are not prime, but without having established what the prime factors are.
- 1909: J.C. Morehead and A.E. Western: Note on Fermat's numbers (Bull. Amer. Math. Soc. Vol. 18: 1 – 6)
- 1971: Michael A. Morrison and John Brillhart: The factorization of $F_7$ (Bull. Amer. Math. Soc. Vol. 77: 264)