112 812 883 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 =	515000
B2 =	19024000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-04-20	Ruslan Borisov	3A7098C7450D22CE	34599216	1	3

History

Date	User	Type	Result
2023-04-20	Remi Lucet	CERT	PRP Certification CERT proof power = 10 Proof certified good
2023-04-20	Ruslan Borisov	C-PRP	3A7098C7450D22CE PRP proof power = 10 PRP: Verified Proof certified good
2022-03-27	Ryan Propper	NF-PM1	B1=515000, B2=19024000
2020-12-30	arpcar	NF	no factor from 2^76 to 2^77
2020-12-01	arpcar	NF	no factor from 2^75 to 2^76
2020-11-25	arpcar	NF	no factor from 2^74 to 2^75
2020-07-19	Knut Andreas Brungot	NF	no factor from 2^73 to 2^74
2020-04-21	SRBase	NF	no factor from 2^72 to 2^73
2019-01-09	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2014-07-20	Andreas_Truetsch	NF	no factor from 2^70 to 2^71
2013-10-25	PascalBieri	NF	no factor from 2^69 to 2^70
2013-10-21	Robish	NF	no factor from 2^68 to 2^69
2013-10-12	Cow_tipping	NF	no factor from 2^67 to 2^68
2013-10-08	GrunwalderGIMP	NF	no factor from 2^66 to 2^67
2012-06-02	Corbyguy	NF	no factor from 2^65 to 2^66
2010-09-28	Richard	NF	no factor from 2^64 to 2^65
2010-05-05	OS1	NF	no factor from 2^63 to 2^64