84 370 777 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 =	675000
B2 =	13162500

Status	Date	User	Residue	Shift	Type	Base
Verified	2019-04-10	ky0uraku	72785352E0EB4039	57931466	1	3
Verified	2021-05-03	Bill Staffen	72785352E0EB4039	3103457	1	3

History

Date	User	Type	Result
2021-05-03	Jaron Wakley	CERT	PRP Certification CERT proof power = 9 Proof certified good
2021-05-03	Bill Staffen	C-PRP	72785352E0EB4039 PRP proof power = 9 PRP: Verified Proof certified good
2019-04-10	ky0uraku	C-PRP	72785352E0EB4039 PRP: Verified PRP without proof (not generated)
2017-11-10	bam	NF-PM1	B1=675000, B2=13162500, E=12
2017-04-30	Sebastian Hornbostel	NF	no factor from 2^75 to 2^76
2017-04-30	Sebastian Hornbostel	NF	no factor from 2^74 to 2^75
2017-04-22	Brian Beuning	NF	no factor from 2^73 to 2^74
2017-01-21	Judge Hale	NF	no factor from 2^72 to 2^73
2017-01-21	Judge Hale	NF	no factor from 2^71 to 2^72
2013-07-12	Norman Ley	NF	no factor from 2^70 to 2^71
2013-02-26	rx7350	NF	no factor from 2^69 to 2^70
2013-02-24	rx7350	NF	no factor from 2^68 to 2^69
2013-02-21	rx7350	NF	no factor from 2^67 to 2^68
2013-02-19	Juergen Kampmeier	NF	no factor from 2^66 to 2^67
2012-08-21	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-24	Architects Cubed	NF	no factor from 2^64 to 2^65