is 2 5845339 - 1
has 1759623 decimal digits
takes 1.036 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LE868614D8D2177E7double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2675.083465.6716%300003450000.01211.5178%5.095566.1927%0.5210%
PrimeNet2620.105162.9032%240005500000.01353.1934%0.118664.0879%1.1846%
GPU722662.526565.1515%360008000000.01992.2812%2.546565.9465%0.7950%
Difference+1+2.5568+0.5201%-6000-455000-0.0078-0.7634%+2.5490+0.2462%+0.2462%

Known prime factors (1 factor, 71.7 bits, 0.00122705% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
584533939028854534919382461212271.725333845945760540
22 × 3 × 5 × 41 × 135709734049
2011-05-1741135709734049155.111,900.03,548.7

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2000-09-29T00:00:00ANONYMOUSv4_computers30000345000---0.012--1.518%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-04-27T00:00:00ANONYMOUSv4_computers21261--0.053--
1998-05-16T00:00:00ANONYMOUSv4_computers21261--0.053--
1998-06-28T00:00:00JCv4_computers21262--0.105--
2009-03-24T02:41:00GrunwalderGIMPManual testing262263--0.168--


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)
1998-10-04T00:00:00netconxv4_computersE868614D8D2177E71.036
2000-10-22T00:00:00ANONYMOUSv4_computersE868614D8D2177E71.036


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T06:36:27kkmrkkblmbrbkManual testing
3902885453491938246121
BB66599D07DC71__no
2018-08-26T15:59:51arnaudstm-11-010
3902885453491938246121
BB66599D07DC71__no


P-1 factor-bounds graph:
B1 = 30000, B2 = 345000 (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
1011
1012
TF factor-bounds graph:
267
263
262
261
250
260
270
280
290
2100
Last modified: 2018-08-26T15:59:51+00:00