489 078 979 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 2⁷⁶

TF target 2⁸²

Factored

Factor	Digits	Bits	Date
57129306703961492927257	23	75.6	2025-09-14 07:54:02

History

Date	User	Type	Result
2025-09-14	SRBase	F	Factor: 57129306703961492927257 / TF: 75-76
2023-12-30	SRBase	NF	no factor TF: 74-75
2022-07-01	SRBase	NF	no factor TF: 73-74
2021-03-07	SRBase	NF	no factor TF: 72-73
2020-08-22	SRBase	NF	no factor TF: 71-72
2020-05-31	SRBase	NF	no factor TF: 70-71
2018-06-04	Yxinity	NF	no factor TF: 68-70
2016-07-06	sasaki	NF	no factor TF: 67-68
2016-03-30	sasaki	NF	no factor TF: 66-67
2014-10-22	vwflat4	NF	no factor TF: 65-66
2011-12-17	Richard	NF	no factor TF: 64-65
2010-04-02	Architects Cubed	NF	no factor TF: 63-64