86 554 073 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 =	715000
B2 =	13227500

Status	Date	User	Residue	Shift	Software
Unverified	2018-12-28	curtisc	4B743F969CEB56__	11127255	Windows Service,Prime95,v29.4,build 7

History

Date	User	Type	Result
2018-12-28	curtisc	C-LL	4B743F969CEB56__
2018-05-08	HardyP Germany	NF-PM1	B1=715000, B2=13227500
2018-02-14	Strolling Jellyfish	NF	no factor TF: 75-76
2018-02-14	Strolling Jellyfish	NF	no factor TF: 74-75
2013-11-20	La Güira	NF	no factor TF: 73-74
2013-11-20	La Güira	NF	no factor TF: 72-73
2013-11-20	La Güira	NF	no factor TF: 71-72
2013-11-20	La Güira	NF	no factor TF: 70-71
2013-04-04	-anonymous-	NF	no factor TF: 69-70
2013-03-22	SMoffat	NF	no factor TF: 68-69
2013-03-22	SMoffat	NF	no factor TF: 67-68
2013-03-21	wangyun183	NF	no factor TF: 66-67
2011-02-07	Michael C	NF	no factor TF: 65-66
2010-11-22	Architects Cubed	NF	no factor TF: 64-65