90 061 571 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 2⁷⁵

TF target 2⁷⁵

Factored

Factor	Digits	Bits	Date
26211616433883023394961	23	74.5	2018-11-19 16:10:06

History

Date	User	Type	Result
2024-05-06	James Heinrich	NF	no factor TF: 68-69
2018-11-19	Strolling Jellyfish	F	Factor: 26211616433883023394961 / TF: 74-75
2018-02-25	c10ck3r	NF-PM1	B1=10000
2017-11-19	Carsten Kossendey	NF	no factor TF: 73-74
2016-07-08	Carsten Kossendey	NF	no factor TF: 72-73
2015-01-13	Carsten Kossendey	NF	no factor TF: 71-72
2014-12-11	JakeW	NF	no factor TF: 70-71
2011-01-13	Carsten Kossendey	NF	no factor TF: 69-70
2010-11-29	Carsten Kossendey	NF	no factor TF: 68-69
2010-03-14	Carsten Kossendey	NF	no factor TF: 67-68
2010-02-07	Carsten Kossendey	NF	no factor TF: 66-67
2010-01-20	Carsten Kossendey	NF	no factor TF: 65-66