108 862 877 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 =	765000
B2 =	22115000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-02-28	ky0uraku	EF2292DF106E6F70	85822494	1	3

History

Date	User	Type	Result
2022-02-28	curtisc	CERT	PRP Certification CERT proof power = 9 Proof certified good
2022-02-28	ky0uraku	C-PRP	EF2292DF106E6F70 PRP proof power = 9 PRP: Verified Proof certified good
2022-02-03	C.D.B.	NF-PM1	B1=765000, B2=22115000, E=12
2021-05-20	Alvin Bunk	NF	no factor from 2^76 to 2^77
2021-03-11	RichD0	NF	no factor from 2^75 to 2^76
2021-03-11	-Anonymous-	NF	no factor from 2^74 to 2^75
2019-08-08	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-08-08	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2019-01-21	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2013-10-18	Lelikoid	NF	no factor from 2^70 to 2^71
2013-09-28	ANONYMOUS	NF	no factor from 2^69 to 2^70
2013-09-26	Mark Rose	NF	no factor from 2^68 to 2^69
2013-09-26	xiaowuc1	NF	no factor from 2^67 to 2^68
2013-09-25	xiaowuc1	NF	no factor from 2^66 to 2^67
2012-05-24	omiXorp	NF	no factor from 2^65 to 2^66
2010-09-12	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-04-27	sasaki3	NF	no factor from 2^63 to 2^64