112 567 123 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 =	512000
B2 =	18907000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-03-29	Ruslan Borisov	4EE33C56617CC353	52378915	1	3

History

Date	User	Type	Result
2023-03-29	T.Tatekawa	CERT	PRP Certification CERT proof power = 10 Proof certified good
2023-03-29	Ruslan Borisov	C-PRP	4EE33C56617CC353 PRP proof power = 10 PRP: Verified Proof certified good
2022-03-25	Ryan Propper	NF-PM1	B1=512000, B2=18907000
2020-12-24	arpcar	NF	no factor from 2^76 to 2^77
2020-12-01	arpcar	NF	no factor from 2^75 to 2^76
2020-11-27	arpcar	NF	no factor from 2^74 to 2^75
2020-09-10	Zenzoma	NF	no factor from 2^73 to 2^74
2020-04-23	SRBase	NF	no factor from 2^72 to 2^73
2018-12-27	Niels_Mache_Nextcloud	NF	no factor from 2^71 to 2^72
2015-03-02	PascalBieri	NF	no factor from 2^70 to 2^71
2015-02-22	PascalBieri	NF	no factor from 2^69 to 2^70
2015-02-13	PascalBieri	NF	no factor from 2^68 to 2^69
2015-02-07	SMoffat	NF	no factor from 2^67 to 2^68
2013-10-12	Cow_tipping	NF	no factor from 2^66 to 2^67
2012-06-05	Richard	NF	no factor from 2^65 to 2^66
2010-09-25	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-05-05	G-Man	NF	no factor from 2^63 to 2^64