is 2 27152509 - 1
has 8173720 decimal digits
takes 25.135 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
Actual2671.094362.6866%----1.094362.6866%0.0000%
PrimeNet2660.543962.1212%12000045000000.48145.2127%1.025364.0957%1.9745%
GPU722708.800364.2857%20000060000000.69263.9040%9.492965.6800%1.3943%
Difference-3-7.7060-1.5991%-200000-6000000-0.6926-3.9040%-8.3986-2.9934%-2.9934%

Known prime factors (2 factors, 73.7 bits, 0.00027139% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2715250982543627371032.943152
23 × 19
-8192.177e-111.154e-52.185e-5
2715250918460990869111340.74833995
5 × 13 × 523
2008-09-08135237.327e-95.475e-57.124e-5

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
27152509152383715118078828354072373.690
P-1 results:
No P-1 results for M27152509


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T23:27:00Will EdgingtonManual testing??40.748131.93246e-951.783.98075e-9


ECM factoring results:
No ECM results for M27152509


Lucas-Lehmer results:
No L-L results for M27152509


PRP results:
No PRP results for M27152509


P-1 factor-bounds graph:
100
101
102
100
101
102
103
TF factor-bounds graph:
267
2
230
240
250
260
270
280
290
2100
Last modified: 2008-09-08T23:27:14+00:00