90 348 067 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
28406348181925693102831	23	74.6	2018-11-25 12:16:43

History

Date	User	Type	Result
2025-06-03	Greg	F	Factor: 28406348181925693102831 / TF: 74-75
2024-05-21	James Heinrich	NF	no factor TF: 68-69
2018-11-25	RichD0	F	Factor: 28406348181925693102831 / TF: 74-75*
2018-06-02	Carsten Kossendey	NF	no factor TF: 73-74
2016-12-10	Carsten Kossendey	NF	no factor TF: 72-73
2015-12-25	Carsten Kossendey	NF	no factor TF: 71-72
2014-11-24	Earle Lowe	NF	no factor TF: 70-71
2013-12-01	Carsten Kossendey	NF	no factor TF: 69-70
2012-07-18	Carsten Kossendey	NF	no factor TF: 68-69
2011-07-10	Carsten Kossendey	NF	no factor TF: 67-68
2010-12-26	Carsten Kossendey	NF	no factor TF: 66-67
2010-09-21	Carsten Kossendey	NF	no factor TF: 65-66
2010-06-28	Carsten Kossendey	NF	no factor TF: 64-65