950 821 549 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 2⁸⁵

Factored

Factor	Digits	Bits	Date
65644091294893773553897	23	75.8	2025-02-23 17:53:18

History

Date	User	Type	Result
2025-06-12	Greg	F	Factor: 65644091294893773553897 / TF: 75-76
2025-02-23	Dmitry Bolshakov	F	Factor: 65644091294893773553897 / TF: 75-76*
2024-06-04	mewturn	NF	no factor TF: 74-75
2022-12-19	SRBase	NF	no factor TF: 73-74
2020-11-07	lycorn	NF	no factor TF: 72-73
2020-10-17	SRBase	NF	no factor TF: 71-72
2018-11-18	Niels_Mache_Nextcloud	NF	no factor TF: 70-71
2015-05-03	ramgeis	NF	no factor TF: 68-70
2013-05-03	ramgeis	NF	no factor TF: 67-68
2013-05-03	ramgeis	NF	no factor TF: 66-67
2013-05-03	ramgeis	NF	no factor TF: 65-66
2011-04-25	linded	NF	no factor TF: 64-65
2010-06-13	Rob_Dee	NF	no factor TF: 63-64