689 155 553 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 2⁸⁴

Factored

Factor	Digits	Bits	Date
38662879191710158535743	23	75.0	2025-03-11 13:51:01

History

Date	User	Type	Result
2025-03-11	NStorm	F	Factor: 38662879191710158535743 / TF: 75-76
2024-03-10	SRBase	NF	no factor TF: 74-75
2022-10-24	SRBase	NF	no factor TF: 73-74
2021-05-02	SRBase	NF	no factor TF: 72-73
2018-05-01	KEP	NF	no factor TF: 68-72
2016-10-11	NoPolarBearsHere	NF	no factor TF: 67-68
2014-08-10	sasaki	NF	no factor TF: 66-67
2014-02-22	america64	NF	no factor TF: 65-66
2012-02-04	Alben Weeks	NF	no factor TF: 64-65

Username
Password