681 119 987 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 2⁷⁶

TF target 2⁸⁴

Factored

Factor	Digits	Bits	Date
56344098919762552451807	23	75.6	2025-03-14 02:27:51

History

Date	User	Type	Result
2025-03-14	NStorm	F	Factor: 56344098919762552451807 / TF: 75-76
2024-05-24	James Heinrich	NF	no factor TF: 68-69
2024-05-07	ANONYMOUS	NF	no factor TF: 68-69
2024-03-08	SRBase	NF	no factor TF: 74-75
2022-10-17	SRBase	NF	no factor TF: 73-74
2021-05-01	SRBase	NF	no factor TF: 72-73
2020-09-25	SRBase	NF	no factor TF: 71-72
2018-12-18	Niels_Mache_Nextcloud	NF	no factor TF: 70-71
2018-10-01	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-09-27	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-06-01	Conductor	NF	no factor TF: 68-69
2016-10-22	sasaki	NF	no factor TF: 67-68
2014-07-25	sasaki	NF	no factor TF: 66-67
2014-01-20	sasaki	NF	no factor TF: 65-66
2012-01-29	Gordon Spence	NF	no factor TF: 64-65
2010-07-03	Architects Cubed	NF	no factor TF: 63-64