is 2 90939487 - 1
has 27375514 decimal digits
takes 329.403 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2670.326759.7015%----0.326759.7015%0.0000%
PrimeNet2715.257161.9718%400000180000007.13725.5511%12.394364.0828%2.1110%
GPU7227584.142964.0000%600000220000009.27514.1353%93.417965.4887%1.4887%
Difference-8-83.8161-4.2985%-600000-22000000-9.2751-4.1353%-93.0912-5.7872%-5.7872%

Known prime factors (1 factor, 40.6 bits, 0.00004462% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9093948716412758613771340.5789024
26 × 3 × 47
2007-08-2264643.146e-90.00030.0007

P-1 results:
No P-1 results for M90939487


Trial Factoring results:
No TF results for M90939487


ECM factoring results:
No ECM results for M90939487


Lucas-Lehmer results:
No L-L results for M90939487


PRP results:
No PRP results for M90939487


P-1 factor-bounds graph:
100
101
102
100
101
102
TF factor-bounds graph:
267
240
250
260
270
280
290
2100
Last modified: 2007-08-22T16:07:52+00:00