887 777 447 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 2⁸⁵

Factored

Factor	Digits	Bits	Date
45515483908459202228257	23	75.3	2025-02-18 15:42:03

History

Date	User	Type	Result
2025-02-18	NStorm	F	Factor: 45515483908459202228257 / TF: 75-76
2024-06-28	SRBase	NF	no factor TF: 74-75
2022-12-12	SRBase	NF	no factor TF: 73-74
2020-12-21	lycorn	NF	no factor TF: 72-73
2020-10-16	SRBase	NF	no factor TF: 71-72
2019-08-08	srow7	NF	no factor TF: 70-71
2017-01-01	ramgeis	NF	no factor TF: 68-70
2013-02-17	HBendtz	NF	no factor TF: 65-68
2010-10-20	Architects Cubed	NF	no factor TF: 64-65
2010-04-17	Architects Cubed	NF	no factor TF: 63-64