88 401 353 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 =	675000
B2 =	9281250

Status	Date	User	Residue	Shift	Software
Unverified	2019-12-12	patgie	DFEDFE0E8EBE5A__	65524116	Windows 64-bit,Prime95,v29.8,build 3

History

Date	User	Type	Result
2019-12-12	patgie	C-LL	DFEDFE0E8EBE5A__
2018-08-19	Rich66	NF-PM1	B1=675000, B2=9281250
2018-08-05	tServo	NF	no factor TF: 75-76
2018-07-30	LaurV	NF	no factor TF: 74-75
2017-07-27	Tim Sorbera	NF	no factor TF: 73-74
2017-07-20	Matthias Wurtinger	NF	no factor TF: 72-73
2014-03-01	Jan	NF	no factor TF: 71-72
2013-06-23	Le Comte	NF	no factor TF: 70-71
2011-08-23	wavelet3000	NF	no factor TF: 69-70
2011-08-23	wavelet3000	NF	no factor TF: 68-69
2011-08-23	wavelet3000	NF	no factor TF: 67-68
2011-04-09	wavelet3000	NF	no factor TF: 66-67
2011-03-16	wavelet3000	NF	no factor TF: 65-66
2010-11-14	Architects Cubed	NF	no factor TF: 64-65