112 238 813 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 =	19319000

Status	Date	User	Residue	Shift	Type	Base
Verified	2023-03-07	ky0uraku	DB6FFDC5B3DC37B1	77164455	1	3

History

Date	User	Type	Result
2023-03-07	archwizard	CERT	PRP Certification CERT proof power = 9 Proof certified good
2023-03-07	ky0uraku	C-PRP	DB6FFDC5B3DC37B1 PRP proof power = 9 PRP: Verified Proof certified good
2022-04-22	Ryan Propper	NF-PM1	B1=512000, B2=19319000
2021-01-06	arpcar	NF	no factor from 2^76 to 2^77
2020-12-05	arpcar	NF	no factor from 2^75 to 2^76
2020-11-16	Zenzoma	NF	no factor from 2^74 to 2^75
2020-09-24	LOBES	NF	no factor from 2^73 to 2^74
2020-04-21	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
2014-12-06	AK76	NF	no factor from 2^70 to 2^71
2014-12-06	AK76	NF	no factor from 2^69 to 2^70
2013-11-16	SMoffat	NF	no factor from 2^68 to 2^69
2013-10-14	PascalBieri	NF	no factor from 2^67 to 2^68
2013-10-06	PascalBieri	NF	no factor from 2^66 to 2^67
2012-07-30	OS1	NF	no factor from 2^65 to 2^66
2010-09-25	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-05-11	monst	NF	no factor from 2^63 to 2^64