is 2 25061503 - 1
has 7544265 decimal digits
takes 21.476 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
Actual2671.185662.6866%----1.185662.6866%0.0000%
PrimeNet2660.589362.1212%11000040000000.40004.9792%0.989364.0073%1.8860%
GPU722709.534664.2857%18000050000000.55003.6615%10.084565.5934%1.3077%
Difference-3-8.3489-1.5991%-180000-5000000-0.5500-3.6615%-8.8989-2.9068%-1.3077%

Known prime factors (2 factors, 104.2 bits, 0.00041565% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
250615035952536516661431549.08011875857
3 × 7 × 565517
-75655174.584e-60.03830.0715
25061503382640978591393531755.087763403892
22 × 3 × 31 × 472 × 929
2015-01-04220922090.00040.00270.0056

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
250615032277684397836334453120846902547932104.167
P-1 results:
No P-1 results for M25061503


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-01-04T12:41:00TJAOIManual testing255256*55.087170.00044.340.000


ECM factoring results:
No ECM results for M25061503


Lucas-Lehmer results:
No L-L results for M25061503


PRP results:
No PRP results for M25061503


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
TF factor-bounds graph:
267
256
240
250
260
270
280
290
2100
Last modified: 2015-01-04T12:41:00+00:00