is 2 14976497 - 1
has 4508375 decimal digits
takes 7.172 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
Actual2671.984064.1791%----1.984064.1791%0.0000%
PrimeNet2650.487163.0769%6500020000000.11834.1420%0.605564.6063%1.5294%
GPU722697.971665.2174%10000026000000.16402.9926%8.135666.2583%1.0409%
Difference-2-5.9876-1.0383%-100000-2600000-0.1640-2.9926%-6.1516-2.0792%-2.0792%

Known prime factors (4 factors, 155.5 bits, 0.00103849% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
14976497359435929928.42112
22 × 3
-442.394e-122.778e-65.653e-6
14976497438511832171135.3521464
23 × 3 × 61
2008-09-088614.025e-107.560e-61.131e-5
149764974510920896411238.71515060
22 × 3 × 5 × 251
2008-09-0852513.080e-91.278e-51.803e-5
1497649792738062285630311653.042309611995
5 × 7 × 11 × 83 × 9689
2014-09-028396890.00010.00040.0007

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
14976497157616907773516035932063.773
149764971621387043046641114892167.136
14976497197809218705868787550972374.067
1497649733333391571295393825407992581.463
149764974066673760476732510138507272788.394
1497649741833406305682189144706618712891.757
14976497710997402903081254054865368011331102.488
1497649714617086610368778326661362792657038336116.815
14976497150364292587173356339813389284776315937120.178
1497649718344443645016727843581784627647701900739127.109
149764976593652143534733792997985445116470817393170250347155.530
P-1 results:
No P-1 results for M14976497


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T10:42:00Will EdgingtonManual testing??35.352119.68506e-1115.072.03476e-10
2008-09-08T10:42:00Will EdgingtonManual testing??38.715126.35086e-1015.071.33427e-9
2014-09-02T11:22:00TJAOIManual testing??53.042164.67369e-515.079.81896e-5


ECM factoring results:
No ECM results for M14976497


Lucas-Lehmer results:
No L-L results for M14976497


PRP results:
No PRP results for M14976497


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
Last modified: 2014-09-02T11:22:32+00:00