408 127 777 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 2⁸¹

Factored

Factor	Digits	Bits	Date
47553601944857176920233	23	75.3	2025-03-14 10:06:13

History

Date	User	Type	Result
2025-03-14	NStorm	F	Factor: 47553601944857176920233 / TF: 75-76
2023-11-19	SRBase	NF	no factor TF: 74-75
2022-05-18	SRBase	NF	no factor TF: 73-74
2021-02-04	SRBase	NF	no factor TF: 72-73
2020-08-07	SRBase	NF	no factor TF: 71-72
2020-05-09	sasaki	NF	no factor TF: 70-71
2018-09-18	sasaki	NF	no factor TF: 69-70
2017-09-20	sasaki	NF	no factor TF: 68-69
2014-06-16	Carsten Kossendey	NF	no factor TF: 65-68

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