118 174 081 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁸

TF target 2⁷⁶

P-1

B1 =	435000
B2 =	8591250

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-09-19	ky0uraku	26D80EC6171F3706	4776938	1	3

History

Date	User	Type	Result
2023-09-20	Mikhail Ivanov	CERT	PRP Certification CERT proof power = 10 Proof certified good
2023-09-19	ky0uraku	C-PRP	26D80EC6171F3706 PRP proof power = 10 PRP: Verified Proof certified good
2023-06-11	Sebastian Hornbostel	NF-PM1	B1=435000, B2=8591250, e=6
2022-09-25	1997rj7	NF	no factor from 2^77 to 2^78
2021-12-31	burkhajo	NF	no factor from 2^76 to 2^77
2021-03-21	jwnutter	NF	no factor from 2^75 to 2^76
2021-03-21	jwnutter	NF	no factor from 2^74 to 2^75
2019-08-27	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2016-04-05	snme2pm1	NF	no factor from 2^72 to 2^73
2015-04-06	SMoffat	NF	no factor from 2^71 to 2^72
2015-01-23	snme2pm1	NF	no factor from 2^70 to 2^71
2014-11-20	snme2pm1	NF	no factor from 2^69 to 2^70
2014-06-27	snme2pm1	NF	no factor from 2^68 to 2^69
2014-04-07	snme2pm1	NF	no factor from 2^66 to 2^68
2012-07-12	Andrew B	NF	no factor from 2^65 to 2^66
2010-10-13	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-13	Torchwood Institute	NF	no factor from 2^63 to 2^64