108 809 893 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 =	736000
B2 =	21295000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-02-09	ky0uraku	CCBA0050FD2517A6	41382719	1	3

History

Date	User	Type	Result
2022-02-09	Simon Josefsson	CERT	PRP Certification CERT proof power = 9 Proof certified good
2022-02-09	ky0uraku	C-PRP	CCBA0050FD2517A6 PRP proof power = 9 PRP: Verified Proof certified good
2022-01-30	ky0uraku	NF-PM1	B1=736000, B2=21295000
2021-09-19	1997rj7	NF	no factor from 2^76 to 2^77
2021-03-31	TheJudger	NF	no factor from 2^75 to 2^76
2021-03-31	TheJudger	NF	no factor from 2^74 to 2^75
2019-08-16	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-08-16	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2015-01-29	Jonathan Webb	NF	no factor from 2^71 to 2^72
2014-11-03	PascalBieri	NF	no factor from 2^70 to 2^71
2013-10-24	mhsk	NF	no factor from 2^69 to 2^70
2013-10-11	mhsk	NF	no factor from 2^68 to 2^69
2013-10-08	mhsk	NF	no factor from 2^67 to 2^68
2013-09-29	mhsk	NF	no factor from 2^66 to 2^67
2012-05-24	omiXorp	NF	no factor from 2^65 to 2^66
2010-09-13	Richard	NF	no factor from 2^64 to 2^65
2010-04-27	carlos56	NF	no factor from 2^63 to 2^64