153 568 529 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 2⁷⁷

TF target 2⁷⁸

Factored

Factor	Digits	Bits	Date
297262351919192338793791	24	78.0	2025-03-26 23:07:12

P-1 factors

Date	Factors	B1	B2
2025-03-26	297262351919192338793791	709000	27270180

History

Date	User	Type	Result
2025-03-26	Smok_bmv	F-PM1	Factor: 297262351919192338793791 / B1=709000, B2=27270180
2025-01-01	fre_games	NF	no factor TF: 76-77
2024-08-09	SRBase	NF	no factor TF: 75-76
2023-02-14	SRBase	NF	no factor TF: 74-75
2018-01-02	hkt	NF	no factor TF: 73-74
2018-01-02	hkt	NF	no factor TF: 72-73
2018-01-02	hkt	NF	no factor TF: 71-72
2017-07-04	mhsk	NF	no factor TF: 70-71
2017-06-05	La Güira	NF	no factor TF: 69-70
2017-02-28	Jan Kuipers	NF	no factor TF: 68-69
2016-05-08	Richard	NF	no factor TF: 67-68
2015-04-04	tsc	NF	no factor TF: 66-67
2013-02-02	Richard	NF	no factor TF: 65-66
2011-01-22	Richard	NF	no factor TF: 64-65
2010-06-24	Torchwood Institute	NF	no factor TF: 63-64