638 821 111 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
68006490637425381859577	23	75.8	2025-03-10 06:25:49

History

Date	User	Type	Result
2025-03-10	NStorm	F	Factor: 68006490637425381859577 / TF: 75-76
2024-02-22	SRBase	NF	no factor TF: 74-75
2022-09-30	SRBase	NF	no factor TF: 73-74
2021-04-23	SRBase	NF	no factor TF: 72-73
2020-09-20	SRBase	NF	no factor TF: 71-72
2020-06-03	SRBase	NF	no factor TF: 70-71
2018-09-16	Niels_Mache_Nextcloud	NF	no factor TF: 69-70
2017-04-28	sasaki	NF	no factor TF: 68-69
2017-02-12	sasaki	NF	no factor TF: 67-68
2014-05-27	sasaki	NF	no factor TF: 65-67

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