109 565 317 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 =	725000
B2 =	19590000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-01-02	Ruslan Borisov	3720EB4F81F7D3A6	6262109	1	3

History

Date	User	Type	Result
2022-01-02	shiroiro	CERT	PRP Certification CERT proof power = 10 Proof certified good
2022-01-02	Ruslan Borisov	NF	no factor from 2^77 to 2^78
2022-01-02	Ruslan Borisov	C-PRP	3720EB4F81F7D3A6 PRP proof power = 10 PRP: Verified Proof certified good
2021-12-25	Ruslan Borisov	NF-PM1	B1=725000, B2=19590000, E=6
2020-08-30	bpot	NF	no factor from 2^76 to 2^77
2020-08-30	bpot	NF	no factor from 2^75 to 2^76
2020-08-30	bpot	NF	no factor from 2^74 to 2^75
2020-08-30	bpot	NF	no factor from 2^73 to 2^74
2020-02-18	mnd9	NF	no factor from 2^72 to 2^73
2019-01-21	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2014-11-11	-Anonymous-	NF	no factor from 2^70 to 2^71
2014-11-04	SWL551	NF	no factor from 2^69 to 2^70
2014-11-04	SWL551	NF	no factor from 2^68 to 2^69
2014-09-02	g0b	NF	no factor from 2^67 to 2^68
2014-07-31	g0b	NF	no factor from 2^66 to 2^67
2012-05-25	omiXorp	NF	no factor from 2^65 to 2^66
2010-09-15	sasaki3	NF	no factor from 2^64 to 2^65
2010-04-30	garo	NF	no factor from 2^63 to 2^64