406 447 777 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
55434013700576503149337	23	75.6	2025-02-28 20:22:19

History

Date	User	Type	Result
2025-02-28	NStorm	F	Factor: 55434013700576503149337 / TF: 75-76
2023-11-17	SRBase	NF	no factor TF: 74-75
2022-05-19	SRBase	NF	no factor TF: 73-74
2021-02-01	SRBase	NF	no factor TF: 72-73
2020-08-05	SRBase	NF	no factor TF: 71-72
2020-04-11	sasaki	NF	no factor TF: 70-71
2018-09-03	sasaki	NF	no factor TF: 69-70
2017-09-05	sasaki	NF	no factor TF: 68-69
2014-03-31	The Mawn	NF	no factor TF: 65-68

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