90 040 529 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 2⁷⁴

TF target 2⁷⁵

Factored

Factor	Digits	Bits	Date
31784738502709835530847	23	74.8	2018-04-08 20:57:41

P-1 factors

Date	Factors	B1	B2
2018-04-08	31784738502709835530847	390000	7215000

History

Date	User	Type	Result
2024-05-06	James Heinrich	NF	no factor TF: 68-69
2018-04-08	One Man	F-PM1	Factor: 31784738502709835530847 / B1=390000, B2=7215000
2018-02-25	c10ck3r	NF-PM1	B1=10000
2017-09-25	Carsten Kossendey	NF	no factor TF: 73-74
2016-06-28	Carsten Kossendey	NF	no factor TF: 72-73
2015-01-08	Carsten Kossendey	NF	no factor TF: 71-72
2014-03-09	Ryan Propper	NF	no factor TF: 70-71
2010-11-28	Carsten Kossendey	NF	no factor TF: 69-70
2010-06-12	Carsten Kossendey	NF	no factor TF: 68-69
2010-04-21	Carsten Kossendey	NF	no factor TF: 67-68
2010-02-24	Carsten Kossendey	NF	no factor TF: 66-67
2010-02-17	Carsten Kossendey	NF	no factor TF: 65-66
2010-01-13	Carsten Kossendey	NF	no factor TF: 64-65