84 891 593 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	705000
B2 =	13747500

Status	Date	User	Residue	Shift	Software
Unverified	2019-05-21	patgie	C537886F33D8C2__	16083664	Windows 64-bit,Prime95,v29.8,build 3

History

Date	User	Type	Result
2019-05-21	patgie	C-LL	C537886F33D8C2__
2019-04-27	ATH	NF	no factor TF: 1-63
2019-04-27	ATH	NF	no factor TF: 63-64
2017-12-14	Stoyan Furnadzhiev	NF-PM1	B1=705000, B2=13747500
2017-07-05	electron1897	NF	no factor TF: 75-76
2017-06-08	Travis Glenn Russo	NF	no factor TF: 74-75
2017-05-05	-anonymous-	NF	no factor TF: 73-74
2017-02-15	Judge Hale	NF	no factor TF: 72-73
2017-02-15	Judge Hale	NF	no factor TF: 71-72
2014-08-13	Ryan Propper	NF	no factor TF: 70-71
2014-02-07	dufrenbk	NF	no factor TF: 69-70
2013-12-17	toad	NF	no factor TF: 68-69
2013-12-11	arnaud	NF	no factor TF: 67-68
2013-03-22	Nobody Special	NF	no factor TF: 66-67
2012-08-10	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-25	Architects Cubed	NF	no factor TF: 64-65