103 381 043 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 2⁷⁶

TF target 2⁷⁶

P-1

B1 =	821000
B2 =	46147000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-04-06	Ben Delo	05D0C55518673912	64144928	1	3

History

Date	User	Type	Result
2021-04-06	jimbouki	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-04-06	Ben Delo	C-PRP	05D0C55518673912 PRP proof power = 8 PRP: Verified Proof certified good
2021-04-04	ky0uraku	NF-PM1	B1=821000, B2=46147000
2020-12-14	1997rj7	NF	no factor from 2^75 to 2^76
2020-12-12	lobsterfordinner	NF	no factor from 2^74 to 2^75
2019-11-13	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-11-13	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2014-12-17	shauge	NF	no factor from 2^71 to 2^72
2014-10-23	workerthread	NF	no factor from 2^70 to 2^71
2014-07-07	Phil	NF	no factor from 2^69 to 2^70
2014-07-06	Phil	NF	no factor from 2^68 to 2^69
2013-09-08	Cow_tipping	NF	no factor from 2^67 to 2^68
2013-09-07	processinfo	NF	no factor from 2^66 to 2^67
2012-04-29	Damian Silvestre	NF	no factor from 2^65 to 2^66
2010-08-22	Mr-Plonk	NF	no factor from 2^64 to 2^65
2010-04-16	linded	NF	no factor from 2^63 to 2^64