555 556 919 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
69443962055926744251289	23	75.9	2025-02-18 15:24:26

History

Date	User	Type	Result
2025-02-18	NStorm	F	Factor: 69443962055926744251289 / TF: 75-76
2023-08-02	Magallan3s	NF	no factor TF: 74-75
2022-08-18	SRBase	NF	no factor TF: 73-74
2020-04-13	lindvv	NF	no factor TF: 72-73
2020-04-13	lindvv	NF	no factor TF: 71-72
2019-11-15	sasaki	NF	no factor TF: 70-71
2018-11-03	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2018-03-23	sasaki	NF	no factor TF: 68-69
2016-11-15	sasaki	NF	no factor TF: 67-68
2016-11-09	Conductor	NF	no factor TF: 67-68
2015-11-19	sasaki	NF	no factor TF: 66-67
2014-09-08	sasaki	NF	no factor TF: 65-66
2011-05-22	Architects Cubed	NF	no factor TF: 64-65