is 2 264000001 - 1
has 79471920 decimal digits
takes 3,006.667 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2670.112658.2090 %1000000100000016.51395.0518 %16.626460.3201 %
Target280927.524865.0000 %1600000325000000317.39244.0568 %1,244.917266.4199 %
Difference-13-927.4123-6.7910 %-600000-324000000-300.8785+0.9950%-1,228.2908-6.0997 %

Known prime factors (2 factors, 85.4 bits, 0.00003236% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2640000019308640035271239.7601763
41 × 43
2008-01-2941432.774e-100.00070.0014
264000001560160482121831445.671106091
277 × 383
2008-01-292773831.775e-80.00470.0093

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-02-04Joerg Dittmarc41000000100000012685.43116.511.260%


Trial Factoring results:
575859606162636465666768697071727374757677787980
No TF results for M264000001


ECM factoring results:
No ECM results for M264000001


Lucas-Lehmer results:
No L-L results for M264000001


PRP results:
No PRP results for M264000001


CERT results:
No CERT results for M264000001


P-1 factor-bounds graph:
B1 = 1000000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
TF factor-bounds graph:
this exponent TF target: 80
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00