100 021 289 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
31154188985255416082414014034881	32	104.6	2023-02-17 00:12:01

Status	Date	User	Residue	Shift	Type	Base
Verified (Factored)	2019-11-22	bhowes	C674A757B058484F	95387551	1	3

P-1 factors

Date	Factor	B1	B2
2023-02-17	31154188985255416082414014034881	823000	564528690

History

Date	User	Type	Result
2023-02-17	Jason Lynch	F-PM1	Factor: 31154188985255416082414014034881 / (P-1, B1=823000, B2=564528690)
2022-03-19	LordJulius	NF	no factor from 2^1 to 2^64
2022-03-18	Lisander Viaene	NF	no factor from 2^1 to 2^64
2020-01-02	La Güira	NF	no factor from 2^75 to 2^76
2019-11-22	bhowes	C-PRP	C674A757B058484F PRP: Verified (Factored) PRP without proof (not generated)
2019-11-07	bhowes	NF-PM1	B1=1100000
2017-10-13	Gordon Bower	NF	no factor from 2^74 to 2^75
2017-10-13	Gordon Bower	NF	no factor from 2^73 to 2^74
2017-10-13	Gordon Bower	NF	no factor from 2^72 to 2^73
2015-01-05	webbert	NF	no factor from 2^71 to 2^72
2011-01-23	Craig Meyers	NF	no factor from 2^70 to 2^71
2011-01-22	Craig Meyers	NF	no factor from 2^69 to 2^70
2011-01-13	Craig Meyers	NF	no factor from 2^68 to 2^69
2011-01-13	Craig Meyers	NF	no factor from 2^67 to 2^68
2010-12-27	Craig Meyers	NF	no factor from 2^66 to 2^67
2010-12-23	Craig Meyers	NF	no factor from 2^65 to 2^66
2010-08-08	Mr-Plonk	NF	no factor from 2^64 to 2^65