108 778 139 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 =	991000
B2 =	991000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-02-06	JerryHedden	CA46C3414ED89111	93209188	1	3

History

Date	User	Type	Result
2022-02-08	Ge yong	CERT	PRP Certification CERT proof power = 10 Proof certified good
2022-02-06	JerryHedden	C-PRP	CA46C3414ED89111 PRP proof power = 10 PRP: Verified Proof certified good
2022-01-25	JerryHedden	NF-PM1	B1=991000
2021-10-05	1997rj7	NF	no factor from 2^76 to 2^77
2021-03-31	TheJudger	NF	no factor from 2^75 to 2^76
2021-03-31	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
2019-01-23	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2014-11-05	Simon Harrison	NF	no factor from 2^70 to 2^71
2014-11-02	webbert	NF	no factor from 2^69 to 2^70
2014-09-09	g0b	NF	no factor from 2^68 to 2^69
2014-07-28	g0b	NF	no factor from 2^67 to 2^68
2014-07-23	g0b	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	Mr-Plonk	NF	no factor from 2^64 to 2^65
2010-04-27	ANONYMOUS	NF	no factor from 2^63 to 2^64