83 876 557 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	670000
B2 =	12562500

Status	Date	User	Residue	Shift
Unverified	2018-04-25	Andrew G	AD94D0BCA8F3F0__	69958190

History

Date	User	Type	Result
2018-04-25	Andrew G	C-LL	AD94D0BCA8F3F0__
2017-09-27	hpadir	NF-PM1	B1=670000, B2=12562500
2017-03-26	TheJudger	NF	no factor from 2^75 to 2^76
2017-02-06	Brian Beuning	NF	no factor from 2^74 to 2^75
2017-02-03	-Anonymous-	NF	no factor from 2^73 to 2^74
2017-02-03	-Anonymous-	NF	no factor from 2^72 to 2^73
2017-02-03	-Anonymous-	NF	no factor from 2^71 to 2^72
2014-03-03	SMoffat	NF	no factor from 2^70 to 2^71
2013-10-16	SMoffat	NF	no factor from 2^69 to 2^70
2013-10-13	SMoffat	NF	no factor from 2^68 to 2^69
2013-06-13	GrunwalderGIMP	NF	no factor from 2^67 to 2^68
2013-02-18	SMoffat	NF	no factor from 2^66 to 2^67
2012-09-13	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-21	Architects Cubed	NF	no factor from 2^64 to 2^65