84 604 309 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 =	13331250

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2019-04-22	Kriesel	9CBFA2B581FACF18	62622782	1	3
Verified	PRP without proof (not generated)	2021-11-14	PED	9CBFA2B581FACF18	81009474	1	3

History

Date	User	Type	Result
2021-11-14	PED	C-PRP	9CBFA2B581FACF18
2019-04-27	ATH	NF	no factor TF: 63-64
2019-04-27	ATH	NF	no factor TF: 1-63
2019-04-22	Kriesel	C-PRP	9CBFA2B581FACF18
2017-11-19	TheJudger	NF-PM1	B1=675000, B2=13331250, E=12
2017-05-14	TheJudger	NF	no factor TF: 74-75
2017-05-14	TheJudger	NF	no factor TF: 75-76
2017-02-15	-anonymous-	NF	no factor TF: 73-74
2017-02-15	-anonymous-	NF	no factor TF: 71-72
2017-02-15	-anonymous-	NF	no factor TF: 72-73
2014-09-27	SMoffat	NF	no factor TF: 70-71
2013-03-19	ITS	NF	no factor TF: 69-70
2013-03-01	ITS	NF	no factor TF: 68-69
2013-02-25	ITS	NF	no factor TF: 67-68
2013-02-20	SMoffat	NF	no factor TF: 66-67
2012-08-28	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-04	Architects Cubed	NF	no factor TF: 64-65