997 550 999 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁷⁷

TF target 2⁸⁵

Factored

Factor	Digits	Bits	Date
120683598950635695189217	24	76.7	2025-02-28 08:53:49

History

Date	User	Type	Result
2025-02-28	NStorm	F	Factor: 120683598950635695189217 / TF: 76-77
2024-12-19	mewturn	NF	no factor TF: 75-76
2023-05-22	lycorn	NF	no factor TF: 74-75
2021-12-05	techn1ciaN	NF	no factor TF: 73-74
2020-05-11	lycorn	NF	no factor TF: 71-73
2012-03-31	lindee	NF	no factor TF: 69-71
2011-05-10	lindee	NF	no factor TF: 66-69
2010-12-29	lindee	NF	no factor TF: 65-66
2010-08-15	linded	NF	no factor TF: 64-65

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