142 185 497 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
328859032662011761244281	24	78.1	2024-10-02 05:32:22

P-1 factors

Date	Factor	B1	B2
2024-10-02	328859032662011761244281	1219000	1457881920

History

Date	User	Type	Result
2024-10-02	Luke Durant	F-PM1	Factor: 328859032662011761244281 / (P-1, B1=1219000, B2=1457881920)
2024-09-20	Richard	NF	no factor from 2^76 to 2^77
2024-07-16	SRBase	NF	no factor from 2^75 to 2^76
2016-06-18	spica	NF	no factor from 2^74 to 2^75
2016-06-18	spica	NF	no factor from 2^73 to 2^74
2016-06-18	spica	NF	no factor from 2^72 to 2^73
2016-06-18	spica	NF	no factor from 2^71 to 2^72
2016-06-18	spica	NF	no factor from 2^70 to 2^71
2016-06-18	spica	NF	no factor from 2^69 to 2^70
2016-05-29	Choi4KANG	NF	no factor from 2^68 to 2^69
2016-03-25	dbaugh	NF	no factor from 2^67 to 2^68
2015-02-23	Thomas Stork	NF	no factor from 2^66 to 2^67
2012-12-14	Richard	NF	no factor from 2^65 to 2^66
2010-12-16	megavink	NF	no factor from 2^64 to 2^65
2010-06-16	Torchwood Institute	NF	no factor from 2^63 to 2^64