564 551 111 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
39521438446317633603361	23	75.1	2025-03-14 04:45:00

History

Date	User	Type	Result
2025-03-14	NStorm	F	Factor: 39521438446317633603361 / TF: 75-76
2024-01-26	SRBase	NF	no factor TF: 74-75
2022-09-02	SRBase	NF	no factor TF: 73-74
2021-04-02	SRBase	NF	no factor TF: 72-73
2020-09-04	SRBase	NF	no factor TF: 71-72
2020-01-21	sasaki	NF	no factor TF: 70-71
2018-10-30	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-04-26	sasaki	NF	no factor TF: 68-69
2016-12-04	sasaki	NF	no factor TF: 67-68
2015-11-18	sasaki	NF	no factor TF: 66-67
2014-07-07	sasaki	NF	no factor TF: 65-66
2011-05-29	Architects Cubed	NF	no factor TF: 64-65
2010-03-04	Architects Cubed	NF	no factor TF: 63-64