84 668 341 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	675000
B2 =	13162500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2019-04-16	Mihai Preda	A8609D3A36691E5E	0	4	3
Verified	PRP without proof (not generated)	2021-08-20	irowiki	A8609D3A36691E5E	23554409	4	3

History

Date	User	Type	Result
2024-06-11	James Heinrich	NF	no factor TF: 68-69
2021-08-20	irowiki	C-PRP	A8609D3A36691E5E
2019-04-27	ATH	NF	no factor TF: 63-64
2019-04-27	ATH	NF	no factor TF: 1-63
2019-04-16	Mihai Preda	C-PRP	A8609D3A36691E5E
2017-11-28	arnaud	NF-PM1	B1=675000, B2=13162500, E=6
2017-05-28	TheJudger	NF	no factor TF: 75-76
2017-05-20	1997rj7	NF	no factor TF: 74-75
2017-05-07	-anonymous-	NF	no factor TF: 73-74
2017-02-04	RichD0	NF	no factor TF: 71-73
2014-08-19	SMoffat	NF	no factor TF: 70-71
2014-06-01	Baltin	NF	no factor TF: 69-70
2014-01-14	Carsten Kossendey	NF	no factor TF: 68-69
2014-01-14	Carsten Kossendey	NF	no factor TF: 67-68
2013-10-23	ITS	NF	no factor TF: 66-67
2012-08-19	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-22	Architects Cubed	NF	no factor TF: 64-65