90 305 447 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
28444008285058980009367	23	74.6	2018-11-25 15:47:22

History

Date	User	Type	Result
2024-06-15	James Heinrich	NF	no factor TF: 68-69
2018-11-25	TheJudger	F	Factor: 28444008285058980009367 / TF: 74-75
2018-05-12	Carsten Kossendey	NF	no factor TF: 73-74
2016-11-16	Carsten Kossendey	NF	no factor TF: 72-73
2015-11-29	Carsten Kossendey	NF	no factor TF: 71-72
2014-09-07	ANONYMOUS	NF	no factor TF: 70-71
2013-11-29	Carsten Kossendey	NF	no factor TF: 69-70
2013-06-26	Carsten Kossendey	NF	no factor TF: 68-69
2011-01-07	Carsten Kossendey	NF	no factor TF: 67-68
2010-11-20	Carsten Kossendey	NF	no factor TF: 66-67
2010-07-07	Carsten Kossendey	NF	no factor TF: 65-66
2010-06-16	Carsten Kossendey	NF	no factor TF: 64-65