113 320 853 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 =	492000
B2 =	20070000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-05-11	Ruslan Borisov	771FF61DB1E25953	44828418	1	3

History

Date	User	Type	Result
2023-05-11	mattashii	CERT	PRP Certification CERT proof power = 10 Proof certified good
2023-05-11	Ruslan Borisov	C-PRP	771FF61DB1E25953 PRP proof power = 10 PRP: Verified Proof certified good
2022-03-30	mrh	NF-PM1	B1=492000, B2=20070000
2021-04-28	arpcar	NF	no factor from 2^78 to 2^79
2021-03-10	arpcar	NF	no factor from 2^77 to 2^78
2021-03-10	arpcar	NF	no factor from 2^76 to 2^77
2021-01-20	arpcar	NF	no factor from 2^75 to 2^76
2021-01-17	arpcar	NF	no factor from 2^74 to 2^75
2020-08-27	Zenzoma	NF	no factor from 2^73 to 2^74
2020-04-23	SRBase	NF	no factor from 2^72 to 2^73
2019-01-05	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2015-07-07	SMoffat	NF	no factor from 2^70 to 2^71
2015-07-02	SMoffat	NF	no factor from 2^69 to 2^70
2015-06-23	SMoffat	NF	no factor from 2^68 to 2^69
2015-06-20	SMoffat	NF	no factor from 2^67 to 2^68
2014-11-16	-Anonymous-	NF	no factor from 2^66 to 2^67
2012-06-05	Koekie	NF	no factor from 2^65 to 2^66
2010-09-29	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-06-22	1997rj7	NF	no factor from 2^63 to 2^64