112 878 839 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 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	474000
B2 =	13518000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-07-25	Will K	2EDC1B1872D975FB	0	1	3

History

Date	User	Type	Result
2022-07-25	blaq	CERT	PRP Certification CERT proof power = 8 Proof certified good
2022-07-25	Will K	C-PRP	2EDC1B1872D975FB PRP proof power = 8 PRP: Verified Proof certified good
2022-03-29	Jwb52z	NF-PM1	B1=474000, B2=13518000
2020-12-18	arpcar	NF	no factor from 2^76 to 2^77
2020-12-09	arpcar	NF	no factor from 2^75 to 2^76
2020-11-26	arpcar	NF	no factor from 2^74 to 2^75
2020-07-23	tsc	NF	no factor from 2^73 to 2^74
2020-04-21	SRBase	NF	no factor from 2^72 to 2^73
2013-10-13	processinfo	NF	no factor from 2^71 to 2^72
2013-10-13	processinfo	NF	no factor from 2^70 to 2^71
2013-10-13	processinfo	NF	no factor from 2^69 to 2^70
2013-10-13	processinfo	NF	no factor from 2^68 to 2^69
2013-10-13	processinfo	NF	no factor from 2^66 to 2^68
2012-06-03	Mr-Plonk	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	kiwiboy	NF	no factor from 2^63 to 2^64