is 2 6325349 - 1
has 1904120 decimal digits
takes 1.121 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LE83413523C0BF12Adouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2674.697665.6716%300002850000.01131.4536%4.708966.1706%0.4990%
PrimeNet2620.097162.9032%260006000000.01473.3585%0.111864.1491%1.2459%
GPU722662.334865.1515%4500010000000.02492.5678%2.359766.0463%0.8948%
Difference+1+2.3628+0.5201%-15000-715000-0.0137-1.1142%+2.3491+0.1243%+0.1243%

Known prime factors (1 factor, 65.0 bits, 0.00102807% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6325349376498421101998278172065.0292976107888292
22 × 3 × 7 × 11 × 3220895983
2011-10-311132208959831.862245.09484.224

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-01-15T00:00:00ANONYMOUSv4_computers30000285000---0.011--1.454%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-06-28T00:00:00Joel Armengaudv4_computers21262--0.097--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CurvesCompleteFacMiss

New Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CompleteFacMiss


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-01-29T00:00:00ANONYMOUSv4_computers97FBC480E9C6EF__1.121
1999-09-14T00:00:00ANONYMOUSv4_computersE83413523C0BF12A1.121
2001-06-09T00:00:00ANONYMOUSv4_computers4E790462D3A66B__1.121
2002-04-28T00:00:00ANONYMOUSv4_computersE83413523C0BF12A1.121


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-27T00:12:23kkmrkkblmbrbkc4.xlarge
37649842110199827817
F5E311EBD1E794__no
2018-09-27T04:49:49ANONYMOUS
37649842110199827817
F5E311EBD1E794__no


P-1 factor-bounds graph:
B1 = 30000, B2 = 285000 (P-1 stage 2)
B1 = 30000 (P-1 stage 1)
100
101
102
103
104
105
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
267
262
250
260
270
280
290
2100
Last modified: 2018-09-27T04:49:49+00:00