541 777 771 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 2⁸³

Factored

Factor	Digits	Bits	Date
55141502264799160955663	23	75.5	2025-03-13 23:06:30

History

Date	User	Type	Result
2025-03-13	NStorm	F	Factor: 55141502264799160955663 / TF: 75-76
2024-01-16	SRBase	NF	no factor TF: 74-75
2022-08-08	SRBase	NF	no factor TF: 73-74
2021-03-26	SRBase	NF	no factor TF: 72-73
2020-08-30	SRBase	NF	no factor TF: 71-72
2019-10-08	sasaki	NF	no factor TF: 70-71
2018-10-28	srow7	NF	no factor TF: 69-70
2018-01-20	sasaki	NF	no factor TF: 68-69
2016-10-29	sasaki	NF	no factor TF: 67-68
2016-01-19	sasaki	NF	no factor TF: 66-67
2014-10-20	sasaki	NF	no factor TF: 65-66