108 748 469 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 =	780000
B2 =	31801000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-02-01	Brent Goebel	189AF2B9F0E2B5B4	38222036	1	3

History

Date	User	Type	Result
2022-02-02	jwnutter	CERT	PRP Certification CERT proof power = 8 Proof certified good
2022-02-01	Brent Goebel	C-PRP	189AF2B9F0E2B5B4 PRP proof power = 8 PRP: Verified Proof certified good
2022-01-29	Brent Goebel	NF-PM1	B1=780000, B2=31801000
2021-10-18	1997rj7	NF	no factor from 2^76 to 2^77
2021-04-09	TheJudger	NF	no factor from 2^75 to 2^76
2021-04-09	TheJudger	NF	no factor from 2^74 to 2^75
2019-08-27	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-08-27	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2015-02-08	PascalBieri	NF	no factor from 2^71 to 2^72
2014-11-02	shauge	NF	no factor from 2^70 to 2^71
2014-11-02	shauge	NF	no factor from 2^69 to 2^70
2014-11-01	CSLatDD	NF	no factor from 2^68 to 2^69
2013-10-16	ANONYMOUS	NF	no factor from 2^67 to 2^68
2013-10-12	Cow_tipping	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	garo	NF	no factor from 2^64 to 2^65
2010-04-27	Torchwood Institute	NF	no factor from 2^63 to 2^64