84 675 977 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 =	640000
B2 =	8480000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-03-07	Adel El-Atawy	0FFB1CEE7807D35A	76573212	1	3
Verified	Certified Good Power=9	2021-08-08	paulrector	0FFB1CEE7807D35A	0	1	3

History

Date	User	Type	Result
2022-09-22	Stephan Grupp	CERT	Proof certified good
2021-08-08	paulrector	C-PRP	0FFB1CEE7807D35A Proof Certified Good Proof Power: 9
2018-03-07	Adel El-Atawy	C-PRP	0FFB1CEE7807D35A
2017-12-11	nokno	NF-PM1	B1=640000, B2=8480000
2017-05-24	Sid & Andy	NF	no factor TF: 75-76
2017-05-20	Brian Beuning	NF	no factor TF: 74-75
2017-03-27	ktony	NF	no factor TF: 73-74
2016-12-20	Judge Hale	NF	no factor TF: 72-73
2013-10-30	bayanne	NF	no factor TF: 71-72
2013-10-30	bayanne	NF	no factor TF: 70-71
2013-10-30	bayanne	NF	no factor TF: 69-70
2013-10-29	bayanne	NF	no factor TF: 68-69
2013-10-25	bayanne	NF	no factor TF: 67-68
2013-10-21	bayanne	NF	no factor TF: 66-67
2012-08-10	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-24	Architects Cubed	NF	no factor TF: 64-65