138 656 773 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
17850510295783044728647553	26	83.9	2024-09-20 23:03:02

P-1 factors

Date	Factor	B1	B2
2024-09-20	17850510295783044728647553	1181000	1181000

History

Date	User	Type	Result
2024-09-20	Luke Durant	F-PM1	Factor: 17850510295783044728647553 / (P-1, B1=1181000)
2024-08-02	Luke Durant	NF	no factor from 2^76 to 2^77
2024-07-17	SRBase	NF	no factor from 2^75 to 2^76
2023-01-13	SRBase	NF	no factor from 2^74 to 2^75
2021-08-02	SRBase	NF	no factor from 2^73 to 2^74
2020-10-23	SRBase	NF	no factor from 2^72 to 2^73
2017-02-25	Sergey Nosov	NF	no factor from 2^71 to 2^72
2017-02-13	guru	NF	no factor from 2^70 to 2^71
2017-02-13	proxy2222	NF	no factor from 2^69 to 2^70
2017-01-22	proxy2222	NF	no factor from 2^68 to 2^69
2016-03-02	dbaugh	NF	no factor from 2^67 to 2^68
2015-02-09	Brandon	NF	no factor from 2^66 to 2^67
2012-11-18	Koekie	NF	no factor from 2^65 to 2^66
2010-12-04	abc	NF	no factor from 2^64 to 2^65
2010-06-12	kiwiboy	NF	no factor from 2^63 to 2^64