428 888 749 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 2⁸²

Factored

Factor	Digits	Bits	Date
67486236707132586159967	23	75.8	2025-03-05 15:39:14

History

Date	User	Type	Result
2025-03-05	NStorm	F	Factor: 67486236707132586159967 / TF: 75-76
2023-12-02	SRBase	NF	no factor TF: 74-75
2022-05-15	SRBase	NF	no factor TF: 73-74
2021-02-10	SRBase	NF	no factor TF: 72-73
2020-08-10	SRBase	NF	no factor TF: 71-72
2020-05-28	SRBase	NF	no factor TF: 70-71
2019-03-25	slaur	NF	no factor TF: 69-70
2017-12-06	sasaki	NF	no factor TF: 68-69
2016-01-04	sasaki	NF	no factor TF: 66-68
2014-08-04	rubikvn2100	NF	no factor TF: 65-66

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