153 263 087 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
157883698817202575738263	24	77.1	2025-03-29 00:09:26

P-1 factors

Date	Factors	B1	B2
2025-03-29	157883698817202575738263	1115000	1115000

History

Date	User	Type	Result
2025-03-29	Dmitry Bolshakov	F-PM1	Factor: 157883698817202575738263 / B1=1115000
2025-01-02	johnniek	NF	no factor TF: 76-77
2024-08-19	SRBase	NF	no factor TF: 75-76
2023-02-14	SRBase	NF	no factor TF: 74-75
2021-11-14	SRBase	NF	no factor TF: 73-74
2017-12-13	C.D.B.	NF	no factor TF: 72-73
2017-06-12	Andrew B	NF	no factor TF: 71-72
2017-06-09	Andrew B	NF	no factor TF: 70-71
2017-06-01	La Güira	NF	no factor TF: 69-70
2016-12-02	Alex_soldier	NF	no factor TF: 68-69
2016-04-25	ANONYMOUS	NF	no factor TF: 67-68
2015-04-02	tsc	NF	no factor TF: 66-67
2013-01-26	KayJongsma	NF	no factor TF: 65-66
2011-01-19	OS1	NF	no factor TF: 64-65
2010-06-24	carlos56	NF	no factor TF: 63-64