113 997 839 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 2⁷⁹

TF target 2⁷⁶

P-1

B1 =	491000
B2 =	17390000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-08-12	Ruslan Borisov	9C6C4377A39746C7	50039565	1	3

History

Date	User	Type	Result
2022-08-12	argilo	CERT	PRP Certification CERT proof power = 10 Proof certified good
2022-08-12	Ruslan Borisov	C-PRP	9C6C4377A39746C7 PRP proof power = 10 PRP: Verified Proof certified good
2022-04-21	Prism	NF	no factor from 2^78 to 2^79
2022-04-05	Ryan Propper	NF-PM1	B1=491000, B2=17390000
2021-04-28	arpcar	NF	no factor from 2^77 to 2^78
2020-10-25	megavink	NF	no factor from 2^76 to 2^77
2020-10-03	Kriesel	NF	no factor from 2^75 to 2^76
2020-05-28	tsc	NF	no factor from 2^74 to 2^75
2019-05-27	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-05-27	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2015-05-27	bwn	NF	no factor from 2^71 to 2^72
2015-05-27	bwn	NF	no factor from 2^70 to 2^71
2015-05-27	bwn	NF	no factor from 2^69 to 2^70
2015-03-11	PascalBieri	NF	no factor from 2^68 to 2^69
2015-03-02	g0b	NF	no factor from 2^67 to 2^68
2014-11-26	Richard	NF	no factor from 2^66 to 2^67
2012-06-10	Torchwood Institute	NF	no factor from 2^65 to 2^66
2010-10-01	Nurpuri	NF	no factor from 2^64 to 2^65
2010-06-29	1997rj7	NF	no factor from 2^63 to 2^64