281 111 419 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 2⁸⁰

Factored

Factor	Digits	Bits	Date
47986329669329467837279	23	75.3	2025-02-10 19:01:28

History

Date	User	Type	Result
2025-02-10	NStorm	F	Factor: 47986329669329467837279 / TF: 75-76
2023-08-01	SRBase	NF	no factor TF: 74-75
2022-03-12	SRBase	NF	no factor TF: 73-74
2020-12-15	SRBase	NF	no factor TF: 72-73
2020-07-13	SRBase	NF	no factor TF: 71-72
2020-05-08	SRBase	NF	no factor TF: 70-71
2019-07-19	Chabot Prime	NF	no factor TF: 69-70
2018-07-12	Chabot Prime	NF	no factor TF: 68-69
2016-11-11	Mikhail E. Golosov	NF	no factor TF: 67-68
2016-01-20	hillsurfer	NF	no factor TF: 66-67
2011-07-22	Rob_Dee	NF	no factor TF: 65-66
2011-01-12	Rob_Dee	NF	no factor TF: 64-65
2010-04-08	James Heinrich	NF	no factor TF: 63-64
2010-04-08	James Heinrich	NF	no factor TF: 62-63