is 2 75148037 - 1
has 22621814 decimal digits
takes 207.762 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
Actual2670.395459.7015%----0.395459.7015%0.0000%
PrimeNet2703.179761.4286%320000140000004.27075.5587%7.450463.5727%2.1441%
GPU7227450.911163.5135%500000180000005.82664.1840%56.737765.0401%1.5266%
Difference-7-50.5156-3.8120%-500000-18000000-5.8266-4.1840%-56.3423-5.3386%-5.3386%

Known prime factors (2 factors, 106.9 bits, 0.00014220% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
75148037702638654832231445.998467503
467503
-14675037.429e-80.10210.1907
7514803721012464355357847371960.86613980714064
24 × 19 × 103 × 521 × 857
2016-03-115218570.00320.00220.0043

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
7514803714764169689358818774853701296735133106.864
P-1 results:
No P-1 results for M75148037


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2016-03-11T12:17:45TJAOIManual testing260261*60.866190.001426.80.002


ECM factoring results:
No ECM results for M75148037


Lucas-Lehmer results:
No L-L results for M75148037


PRP results:
No PRP results for M75148037


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
TF factor-bounds graph:
267
261
240
250
260
270
280
290
2100
Last modified: 2016-03-11T12:17:45+00:00