118 989 193 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
1290817428408709745131537	25	80.1	2023-01-25 23:20:20

P-1 factors

Date	Factor	B1	B2
2023-01-25	1290817428408709745131537	595000	595000

History

Date	User	Type	Result
2023-01-25	Conductor	F-PM1	Factor: 1290817428408709745131537 / (P-1, B1=595000)
2022-02-07	laxeye	NF	no factor from 2^76 to 2^77
2021-06-16	frederikhk	NF	no factor from 2^75 to 2^76
2021-06-16	frederikhk	NF	no factor from 2^74 to 2^75
2019-05-15	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2018-09-23	snme2pm1	NF	no factor from 2^72 to 2^73
2015-04-26	SMoffat	NF	no factor from 2^71 to 2^72
2015-03-26	snme2pm1	NF	no factor from 2^70 to 2^71
2014-10-21	snme2pm1	NF	no factor from 2^69 to 2^70
2014-10-21	snme2pm1	NF	no factor from 2^68 to 2^69
2014-04-30	snme2pm1	NF	no factor from 2^66 to 2^68
2012-07-20	sasaki3	NF	no factor from 2^65 to 2^66
2010-10-15	Mr-Plonk	NF	no factor from 2^64 to 2^65
2010-05-14	carlos56	NF	no factor from 2^63 to 2^64