is 2 15637759 - 1
has 4707435 decimal digits
takes 7.843 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2671.900164.1791%----1.900164.1791%1.1022%
PrimeNet2650.466563.0769%7000022000000.13534.3043%0.601867.3812%4.3043%
GPU722697.634565.2174%11000028000000.18663.1147%7.821168.3321%3.1147%
Difference-2-5.7344-1.0383%-110000-2800000-0.1866-3.1147%-5.9210-4.1530%-4.1530%

Known prime factors (1 factor, 66.3 bits, 0.00042395% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
15637759905658833190386731512066.2962895743671425
32 × 52 × 11 × 17 × 31 × 41 × 173 × 313
2002-05-251733131.38810.00010.0003

P-1 results:
Exponent "15637759" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2002-05-25T00:00:00ANONYMOUSv4_computers??66.296200.44415.960.903
2001-01-28T00:00:00Net_Forcev4_computers?258--0.002--
2001-03-18T00:00:00KA9DGXv4_computers?265--0.239--
2001-08-24T00:00:00KA9DGXv4_computers?265--0.239--


ECM factoring results:
Exponent "15637759" not found


Lucas-Lehmer results:
Exponent "15637759" not found


PRP results:
Exponent "15637759" not found


P-1 factor-bounds graph:
101
102
103
101
102
103
TF factor-bounds graph:
267
265
258
2
250
260
270
280
290
2100
Last modified: 2002-05-25T00:00:00+00:00