83 794 429 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

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

TF

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	665000
B2 =	12302500

Status	Date	User	Residue	Shift
Unverified	2018-05-22	Shnobel	1D35CBED28923F__	7997525

History

Date	User	Type	Result
2018-05-22	Shnobel	C-LL	1D35CBED28923F__
2017-09-21	arnaud	NF-PM1	B1=665000, B2=12302500
2017-03-12	TheJudger	NF	no factor from 2^75 to 2^76
2017-02-05	Brian Beuning	NF	no factor from 2^74 to 2^75
2017-02-02	gcardona	NF	no factor from 2^73 to 2^74
2017-01-18	RichD0	NF	no factor from 2^71 to 2^73
2014-08-17	SMoffat	NF	no factor from 2^70 to 2^71
2013-07-22	SMoffat	NF	no factor from 2^69 to 2^70
2013-07-18	SMoffat	NF	no factor from 2^68 to 2^69
2013-07-16	SMoffat	NF	no factor from 2^67 to 2^68
2013-06-29	Norman Ley	NF	no factor from 2^66 to 2^67
2012-08-17	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-12-14	Architects Cubed	NF	no factor from 2^64 to 2^65