is 2 27152401 - 1
has 8173688 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%9.493065.6800%1.3943%
Difference-3-7.7060-1.5991%-200000-6000000-0.6926-3.9040%-8.3986-2.9934%-2.9934%

Known prime factors (4 factors, 149.6 bits, 0.00055103% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
27152401162914407927.2803
3
-136.589e-131.489e-62.732e-6
2715240134212025271031.67263
32 × 7
2008-09-08991.068e-111.208e-52.459e-5
2715240145616033691032.08784
22 × 3 × 7
2008-09-08472.146e-115.588e-61.093e-5
271524014305508742451131211858.5797928412560
24 × 5 × 653 × 151769
2015-09-166531517690.00230.01190.0207

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
271524015573631809131064891858.951
271524017431509078298371831859.366
27152401156061689731945134632063.759
27152401701429403609741767556342472685.859
2715240114730017389694402269660567672890.251
2715240119640023184824033445397046492890.666
2715240125424697638097830564781614412891.038
2715240123997320481417514569812054732414216936117.530
2715240131996427306218588081050267084697814336117.945
27152401671924969502585712737248919699244802337122.338
27152401109466257955006836357261254564193085314536736146149.617
P-1 results:
No P-1 results for M27152401


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T23:27:00Will EdgingtonManual testing??31.672101.43676e-1351.782.95964e-13
2008-09-08T23:27:00Will EdgingtonManual testing??32.087103.83136e-1351.787.89238e-13
2015-09-16T11:10:00TJAOIManual testing258259*58.579180.00151.770.002


ECM factoring results:
No ECM results for M27152401


Lucas-Lehmer results:
No L-L results for M27152401


PRP results:
No PRP results for M27152401


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
TF factor-bounds graph:
267
259
2
220
230
240
250
260
270
280
290
2100
Last modified: 2015-09-16T11:10:00+00:00