196 043 129 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 2⁷⁵

TF target 2⁷⁸

P-1

B1 =	1701000
B2 =	1663108590

Status	Date	User	Residue	Shift	Type	Base
Verified	2024-11-26	curtisc	0E1E066E14BDE097	52316460	1	3

History

Date	User	Type	Result
2024-11-27	0x	CERT	PRP Certification CERT proof power = 7 Proof certified good
2024-11-26	curtisc	C-PRP	0E1E066E14BDE097 PRP proof power = 7 PRP: Verified Proof certified good
2024-10-17	Luke Durant	NF-PM1	B1=1701000, B2=1663108590
2023-04-26	SRBase	NF	no factor from 2^74 to 2^75
2019-12-16	hkt	NF	no factor from 2^73 to 2^74
2019-12-16	hkt	NF	no factor from 2^72 to 2^73
2019-12-16	hkt	NF	no factor from 2^71 to 2^72
2019-02-02	Niels_Mache_Nextcloud	NF	no factor from 2^70 to 2^71
2018-12-14	Chabot Prime	NF	no factor from 2^69 to 2^70
2017-08-29	BloodIce	NF	no factor from 2^68 to 2^69
2016-08-16	tsc	NF	no factor from 2^67 to 2^68
2015-09-13	rmaximus	NF	no factor from 2^66 to 2^67
2013-06-30	Richard	NF	no factor from 2^65 to 2^66
2011-04-22	Sergej Levin	NF	no factor from 2^64 to 2^65
2010-08-07	Richard	NF	no factor from 2^63 to 2^64