108 526 361 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 =	782000
B2 =	23520000

Status	Date	User	Residue	Shift	Type	Base
Verified	2022-01-21	ky0uraku	E15A28F8E3AC8209	25215404	1	3

History

Date	User	Type	Result
2022-01-21	lozcs	CERT	PRP Certification CERT proof power = 9 Proof certified good
2022-01-21	ky0uraku	C-PRP	E15A28F8E3AC8209 PRP proof power = 9 PRP: Verified Proof certified good
2022-01-12	ky0uraku	NF-PM1	B1=782000, B2=23520000
2021-04-26	TheJudger	NF	no factor from 2^75 to 2^76
2021-04-26	TheJudger	NF	no factor from 2^74 to 2^75
2019-09-30	Niels_Mache_Nextcloud	NF	no factor from 2^73 to 2^74
2019-09-30	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2015-06-04	Ilya Alexandrov	NF	no factor from 2^71 to 2^72
2015-06-04	Ilya Alexandrov	NF	no factor from 2^70 to 2^71
2015-04-04	JMGarcia	NF	no factor from 2^69 to 2^70
2015-04-03	g0b	NF	no factor from 2^68 to 2^69
2014-11-20	g0b	NF	no factor from 2^67 to 2^68
2014-07-23	GrunwalderGIMP	NF	no factor from 2^66 to 2^67
2012-06-03	Richard	NF	no factor from 2^65 to 2^66
2010-09-13	carlos56	NF	no factor from 2^64 to 2^65
2010-05-02	Richard	NF	no factor from 2^63 to 2^64