951 882 221 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
80166923694344086053401	23	76.1	2025-02-28 21:52:08

History

Date	User	Type	Result
2025-02-28	NStorm	F	Factor: 80166923694344086053401 / TF: 76-77
2024-11-30	Dmitry Bolshakov	NF	no factor TF: 75-76
2021-01-13	tsc	NF	no factor TF: 72-75
2020-10-23	SRBase	NF	no factor TF: 71-72
2018-10-28	Niels_Mache_Nextcloud	NF	no factor TF: 70-71
2015-05-10	ramgeis	NF	no factor TF: 68-70
2015-04-22	caddr	NF	no factor TF: 67-68
2013-05-03	linded	NF	no factor TF: 66-67
2013-05-03	linded	NF	no factor TF: 65-66
2011-04-18	linded	NF	no factor TF: 64-65
2010-05-11	linded	NF	no factor TF: 63-64