387 047 777 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 2⁸¹

Factored

Factor	Digits	Bits	Date
39531867527227171286401	23	75.1	2025-02-28 04:01:30

History

Date	User	Type	Result
2025-02-28	NStorm	F	Factor: 39531867527227171286401 / TF: 75-76
2023-10-31	SRBase	NF	no factor TF: 74-75
2022-05-13	SRBase	NF	no factor TF: 73-74
2021-02-02	SRBase	NF	no factor TF: 72-73
2017-03-13	mikr	NF	no factor TF: 71-72
2016-04-05	mikr	NF	no factor TF: 70-71
2016-04-05	mikr	NF	no factor TF: 69-70
2016-04-05	mikr	NF	no factor TF: 66-69
2014-05-02	tsc	NF	no factor TF: 65-66
2011-04-19	Architects Cubed	NF	no factor TF: 64-65

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