98 163 167 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 =	965000
B2 =	24125000

Status	Date	User	Residue	Shift	Type	Base
Verified	2020-08-19	ky0uraku	9AF4BD8287D11D3C	88562080	1	3

History

Date	User	Type	Result
2020-08-19	George Woltman	CERT	PRP Certification CERT proof power = 9 Proof certified good
2020-08-19	ky0uraku	C-PRP	9AF4BD8287D11D3C PRP proof power = 9 PRP: Verified Proof certified good
2020-05-17	TheJudger	NF	no factor from 2^76 to 2^77
2020-05-17	TheJudger	NF	no factor from 2^75 to 2^76
2020-05-17	TheJudger	NF	no factor from 2^74 to 2^75
2019-11-16	gcardona	NF	no factor from 2^73 to 2^74
2019-10-08	Ryan Propper	NF-PM1	B1=965000, B2=24125000, E=6
2019-05-18	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2014-05-24	HHfromG	NF	no factor from 2^71 to 2^72
2014-05-24	HHfromG	NF	no factor from 2^70 to 2^71
2014-05-24	HHfromG	NF	no factor from 2^69 to 2^70
2014-05-24	HHfromG	NF	no factor from 2^68 to 2^69
2014-03-17	SMoffat	NF	no factor from 2^67 to 2^68
2013-08-03	HMV	NF	no factor from 2^66 to 2^67
2013-07-26	g0b	NF	no factor from 2^65 to 2^66