149 517 209 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 2⁷⁷

TF target 2⁷⁷

Factored

Factor	Digits	Bits	Date
131017028895432318778679	24	76.8	2025-02-18 17:56:31

History

Date	User	Type	Result
2025-02-18	Curved	F	Factor: 131017028895432318778679 / TF: 76-77
2024-11-14	Ryan Propper	NF-PM1	B1=916000, B2=93459240
2024-07-31	SRBase	NF	no factor TF: 75-76
2023-02-03	SRBase	NF	no factor TF: 74-75
2021-11-12	SRBase	NF	no factor TF: 73-74
2017-06-27	StyM	NF	no factor TF: 72-73
2017-06-27	Ilya Alexandrov	NF	no factor TF: 71-72
2017-06-26	workerthread	NF	no factor TF: 70-71
2017-03-29	La Güira	NF	no factor TF: 69-70
2017-02-23	Alex_soldier	NF	no factor TF: 68-69
2016-04-07	Derek	NF	no factor TF: 67-68
2015-03-17	vwflat4	NF	no factor TF: 66-67
2013-01-09	OS1	NF	no factor TF: 65-66
2011-01-12	Richard	NF	no factor TF: 64-65