108 018 893 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 2⁷⁶

TF target 2⁷⁶

P-1

B1 =	826000
B2 =	34954000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-01-20	Conductor	E768C20AB575E7A7	35831631	1	3

History

Date	User	Type	Result
2022-01-20	lajo321	CERT	PRP Certification CERT proof power = 8 Proof certified good
2022-01-20	Conductor	C-PRP	E768C20AB575E7A7 PRP proof power = 8 PRP: Verified Proof certified good
2021-12-05	James Heinrich	NF-PM1	B1=826000, B2=34954000
2021-04-17	TheJudger	NF	no factor from 2^75 to 2^76
2021-04-17	TheJudger	NF	no factor from 2^74 to 2^75
2019-12-10	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-12-10	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2015-01-28	endless_mike	NF	no factor from 2^71 to 2^72
2015-01-28	endless_mike	NF	no factor from 2^70 to 2^71
2014-04-12	mikr	NF	no factor from 2^69 to 2^70
2014-04-12	mikr	NF	no factor from 2^68 to 2^69
2013-10-12	Cow_tipping	NF	no factor from 2^67 to 2^68
2013-09-23	sheng	NF	no factor from 2^66 to 2^67
2012-05-20	omiXorp	NF	no factor from 2^65 to 2^66
2010-09-09	Charles A. Morris	NF	no factor from 2^64 to 2^65
2010-04-25	Torchwood Institute	NF	no factor from 2^63 to 2^64