85 946 191 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	690000
B2 =	13627500

Status	Date	User	Residue	Shift	Type	Base
Verified	2018-06-12	ky0uraku	E2F1F4E651EC7135	55273388	1	3
Verified	2022-06-08	ATH	E2F1F4E651EC7135	0	1	3

History

Date	User	Type	Result
2022-06-08	Gordon Bower	CERT	PRP Certification CERT proof power = 8 Proof certified good
2022-06-08	ATH	C-PRP	E2F1F4E651EC7135 PRP proof power = 8 PRP: Verified Proof certified good
2018-06-12	ky0uraku	C-PRP	E2F1F4E651EC7135 PRP: Verified PRP without proof (not generated)
2018-02-25	TheJudger	NF-PM1	B1=690000, B2=13627500, E=12
2017-10-22	TheJudger	NF	no factor from 2^75 to 2^76
2017-10-22	TheJudger	NF	no factor from 2^74 to 2^75
2017-04-30	RichD0	NF	no factor from 2^73 to 2^74
2017-03-17	Judge Hale	NF	no factor from 2^72 to 2^73
2017-03-17	Judge Hale	NF	no factor from 2^71 to 2^72
2015-08-24	monst	NF	no factor from 2^70 to 2^71
2013-08-23	Jaeckel	NF	no factor from 2^69 to 2^70
2013-06-20	SMoffat	NF	no factor from 2^68 to 2^69
2013-06-16	SMoffat	NF	no factor from 2^67 to 2^68
2013-06-15	SMoffat	NF	no factor from 2^66 to 2^67
2013-02-27	Juergen Kampmeier	NF	no factor from 2^65 to 2^66
2010-12-25	Architects Cubed	NF	no factor from 2^64 to 2^65