187 796 183 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
49177887592677937699703	23	75.4	2025-01-21 07:21:35

History

Date	User	Type	Result
2025-01-21	NStorm	NF	no factor TF: 76-77
2025-01-21	NStorm	F	Factor: 49177887592677937699703 / TF: 75-76
2024-10-09	Luke Durant	NF-PM1	B1=1615000, B2=1483945470
2023-04-15	SRBase	NF	no factor TF: 74-75
2018-12-26	Zenghui	NF	no factor TF: 73-74
2018-12-12	AJ	NF	no factor TF: 72-73
2018-12-11	Smok_bmv	NF	no factor TF: 71-72
2018-12-07	Derek	NF	no factor TF: 70-71
2018-11-03	Chabot Prime	NF	no factor TF: 69-70
2017-07-16	debrouxl	NF	no factor TF: 68-69
2016-07-26	ANONYMOUS	NF	no factor TF: 67-68
2015-08-21	MagnusG	NF	no factor TF: 66-67
2013-05-27	tsc	NF	no factor TF: 65-66
2011-04-05	Mr-Plonk	NF	no factor TF: 64-65
2010-07-31	sasaki3	NF	no factor TF: 63-64