90 052 051 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
28861285992967411012481	23	74.6	2018-11-24 19:04:51

P-1 factors

Date	Factors	B1	B2
2024-10-17	No new factors discovered	614000	614000

History

Date	User	Type	Result
2024-10-17	Wentao Huang	F-PM1	Factor: 28861285992967411012481 / B1=614000
2024-05-06	James Heinrich	NF	no factor TF: 68-69
2018-11-24	Kevin Jaget	F	Factor: 28861285992967411012481 / TF: 74-75
2018-02-25	c10ck3r	NF-PM1	B1=10000
2017-10-23	Carsten Kossendey	NF	no factor TF: 73-74
2016-07-01	Carsten Kossendey	NF	no factor TF: 72-73
2015-01-08	Carsten Kossendey	NF	no factor TF: 71-72
2014-03-10	Earle Lowe	NF	no factor TF: 70-71
2010-05-31	Carsten Kossendey	NF	no factor TF: 69-70
2010-03-04	Carsten Kossendey	NF	no factor TF: 68-69
2010-02-13	Carsten Kossendey	NF	no factor TF: 67-68
2009-12-08	Carsten Kossendey	NF	no factor TF: 66-67