108 394 691 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 =	717000
B2 =	22675000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-01-15	ky0uraku	7E8CE88F36FA8C3B	46962301	1	3

History

Date	User	Type	Result
2022-01-15	curtisc	CERT	PRP Certification CERT proof power = 9 Proof certified good
2022-01-15	ky0uraku	C-PRP	7E8CE88F36FA8C3B PRP proof power = 9 PRP: Verified Proof certified good
2022-01-06	Jwb52z	NF-PM1	B1=717000, B2=22675000
2021-10-30	Zhang Ruichong	NF	no factor from 2^76 to 2^77
2021-04-20	RichD0	NF	no factor from 2^75 to 2^76
2021-04-20	RichD0	NF	no factor from 2^74 to 2^75
2019-10-13	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-10-13	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2019-01-20	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2015-04-08	-Anonymous-	NF	no factor from 2^70 to 2^71
2015-03-31	Duckman33	NF	no factor from 2^69 to 2^70
2015-01-29	Andreas_Truetsch	NF	no factor from 2^68 to 2^69
2015-01-28	el grocco	NF	no factor from 2^67 to 2^68
2014-11-24	g0b	NF	no factor from 2^66 to 2^67
2012-05-21	Corbyguy	NF	no factor from 2^65 to 2^66
2010-09-10	sasaki3	NF	no factor from 2^64 to 2^65
2010-05-03	Richard	NF	no factor from 2^63 to 2^64