112 838 279 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 =	19029000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-04-29	Ruslan Borisov	58DE722E1D622CC2	10376161	1	3

History

Date	User	Type	Result
2023-04-29	InsolentJaguar	CERT	PRP Certification CERT proof power = 10 Proof certified good
2023-04-29	Ruslan Borisov	C-PRP	58DE722E1D622CC2 PRP proof power = 10 PRP: Verified Proof certified good
2022-03-27	Ryan Propper	NF-PM1	B1=515000, B2=19029000
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
2020-11-26	arpcar	NF	no factor from 2^74 to 2^75
2020-08-06	ViliamF	NF	no factor from 2^73 to 2^74
2015-03-11	Fredrik	NF	no factor from 2^72 to 2^73
2015-03-11	Fredrik	NF	no factor from 2^71 to 2^72
2015-03-11	Fredrik	NF	no factor from 2^70 to 2^71
2015-03-11	Fredrik	NF	no factor from 2^69 to 2^70
2015-03-11	Fredrik	NF	no factor from 2^68 to 2^69
2015-03-11	Fredrik	NF	no factor from 2^67 to 2^68
2014-11-11	subgenius	NF	no factor from 2^66 to 2^67
2012-06-02	Torchwood Institute	NF	no factor from 2^65 to 2^66
2010-09-27	James Hintz	NF	no factor from 2^64 to 2^65
2010-05-10	Richard	NF	no factor from 2^63 to 2^64