108 694 331 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 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	743000
B2 =	21503000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-01-26	ky0uraku	FD5CA453F9352B21	4196922	1	3

History

Date	User	Type	Result
2022-01-26	curtisc	CERT	PRP Certification CERT proof power = 9 Proof certified good
2022-01-26	ky0uraku	C-PRP	FD5CA453F9352B21 PRP proof power = 9 PRP: Verified Proof certified good
2022-01-20	ky0uraku	NF-PM1	B1=743000, B2=21503000
2021-11-19	1997rj7	NF	no factor from 2^76 to 2^77
2021-04-11	RichD0	NF	no factor from 2^75 to 2^76
2021-04-11	RichD0	NF	no factor from 2^74 to 2^75
2019-09-11	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-09-11	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2019-01-25	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2015-08-04	SMoffat	NF	no factor from 2^70 to 2^71
2015-08-01	SMoffat	NF	no factor from 2^69 to 2^70
2014-07-21	Ryan Propper	NF	no factor from 2^68 to 2^69
2014-07-21	Ryan Propper	NF	no factor from 2^67 to 2^68
2014-07-21	Ryan Propper	NF	no factor from 2^66 to 2^67
2012-05-23	tsc	NF	no factor from 2^65 to 2^66
2010-09-11	sasaki3	NF	no factor from 2^64 to 2^65
2010-04-27	BOM	NF	no factor from 2^63 to 2^64