nyy 发表于 2025-1-17 17:02:55

新费马数99 * 2^5798449 + 1 divides F5798447

On January 14, 2025, Valter Cavecchia and PrimeGrid
discovered that
99*2^5798449 + 1 divides F5798447.
This is the third largest Fermat number known to be composite !

nyy 发表于 2025-1-20 15:06:31

Decimal Digits:        1745510   (log10 is 1745509.072963)
https://t5k.org/primes/page.php?id=138899

Submitted:        1/14/2025 03:55:25 UTC
Last modified:        1/14/2025 07:37:11 UTC
页: [1]
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