84 124 811 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 2⁷⁵

P-1

B1 =	690000
B2 =	12937500

Status	Date	User	Residue	Shift	Type	Base
Verified	2019-03-25	ky0uraku	AC112A71FB03BF68	21566171	1	3
Verified	2020-10-15	Stef42	AC112A71FB03BF68	0	1	3

History

Date	User	Type	Result
2020-10-15	Stef42	C-PRP	AC112A71FB03BF68 PRP proof power = 8 PRP: Verified PRP proof never uploaded
2019-03-25	ky0uraku	C-PRP	AC112A71FB03BF68 PRP: Verified PRP without proof (not generated)
2017-10-29	La Güira	NF-PM1	B1=690000, B2=12937500
2017-04-14	-Anonymous-	NF	no factor from 2^75 to 2^76
2017-03-25	Brian Beuning	NF	no factor from 2^74 to 2^75
2017-02-24	RichD0	NF	no factor from 2^73 to 2^74
2017-01-03	Judge Hale	NF	no factor from 2^72 to 2^73
2017-01-03	Judge Hale	NF	no factor from 2^71 to 2^72
2014-03-11	jjknw	NF	no factor from 2^70 to 2^71
2014-02-13	ITS	NF	no factor from 2^69 to 2^70
2014-02-10	ITS	NF	no factor from 2^68 to 2^69
2013-02-24	saffa	NF	no factor from 2^67 to 2^68
2013-02-18	saffa	NF	no factor from 2^66 to 2^67
2012-08-28	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-07	Architects Cubed	NF	no factor from 2^64 to 2^65