690 224 449 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
38861751396295581012353	23	75.0	2025-03-12 02:01:22

History

Date	User	Type	Result
2025-03-12	NStorm	F	Factor: 38861751396295581012353 / TF: 75-76
2024-03-10	SRBase	NF	no factor TF: 74-75
2021-08-12	oodaira	NF	no factor TF: 73-74
2020-05-19	oodaira	NF	no factor TF: 72-73
2018-05-06	oodaira	NF	no factor TF: 71-72
2017-09-10	oodaira	NF	no factor TF: 70-71
2017-07-07	oodaira	NF	no factor TF: 69-70
2017-05-29	oodaira	NF	no factor TF: 68-69
2014-11-30	sasaki	NF	no factor TF: 67-68
2014-03-10	abc	NF	no factor TF: 1-67
2013-12-07	sasaki	NF	no factor TF: 65-66
2012-02-04	sasaki3	NF	no factor TF: 64-65
2010-06-24	Architects Cubed	NF	no factor TF: 63-64
2010-03-17	linded	NF	no factor TF: 61-62