90 506 123 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
18926107751685058568183	23	74.0	2018-03-06 16:00:37

History

Date	User	Type	Result
2024-06-15	James Heinrich	NF	no factor TF: 68-69
2018-03-06	C-C	F	Factor: 18926107751685058568183 / TF: 74-75
2018-03-06	C-C	NF	no factor TF: 73-74
2017-02-23	Carsten Kossendey	NF	no factor TF: 72-73
2016-02-21	Carsten Kossendey	NF	no factor TF: 71-72
2014-09-05	SMoffat	NF	no factor TF: 70-71
2014-03-31	SMoffat	NF	no factor TF: 69-70
2013-06-26	Carsten Kossendey	NF	no factor TF: 68-69
2011-01-25	Carsten Kossendey	NF	no factor TF: 67-68
2010-11-25	Carsten Kossendey	NF	no factor TF: 66-67
2010-06-18	Carsten Kossendey	NF	no factor TF: 65-66
2010-03-30	Carsten Kossendey	NF	no factor TF: 64-65