332 266 261 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: 2 known prime factors

Factored

Factor	Digits	Bits	Date
8472785285534135329	19	62.9	2008-11-23 01:06:24
197534575500903722089	21	67.4	2018-02-10 21:26:14

History

Date	User	Type	Result
2024-08-01	Grant McCracken	NF	no factor from 2^71 to 2^72
2024-04-03	Grant McCracken	NF	no factor from 2^70 to 2^71
2024-03-04	Jarod McClintock	F	Factor: 197534575500903722089 / TF: 67-69
2024-01-09	Grant McCracken	NF	no factor from 2^69 to 2^70
2018-02-10	Grant McCracken	F	Factor: 197534575500903722089

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