is 2 13276927 - 1
has 3996754 decimal digits
takes 5.891 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP0DE9972C5D847E2EPRP-tested

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2672.238064.1791%3000002101291507.54778.8882%9.785767.3629%3.1838%
PrimeNet2640.268162.5000%6000017000000.09614.3505%0.364264.1314%1.6314%
GPU722684.489464.7059%9000024000000.13893.1787%4.628265.8278%1.1219%
Difference-1-2.2513-0.5268%+210000+207729150+7.4088+5.7095%+5.1575+1.5352%+2.0619%

Known prime factors (3 factors, 143.7 bits, 0.00108266% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
13276927238984687927.8329
32
-991.349e-125.790e-61.178e-5
13276927224637373145271444.353845969
845969
2008-09-0818459691.960e-70.02970.0554
1327692734775920121941346758812271.559130963739282220
22 × 3 × 5 × 13 × 181 × 4549 × 203921
2021-08-19454920392163.6090.00990.0133

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1327692753684892309624556480492272.185
132769278310912385479154587512672342473099.391
132769277811971344902641712095562449782328735115.911
132769271866941526714526875038302106150183042500616944143.744
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-06-20T03:55:25nordisweet16_30.8b14300000300000-
skipped known factor: 238984687
skipped known factor: 3477592012194134675881
--0.193--2.166%
2022-06-22T15:02:26nordisweet16_30.8b14300000210129150-
skipped known factor: 238984687
skipped known factor: 22463737314527
skipped known factor: 3477592012194134675881
--7.548--8.888%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-08-19T22:26:14ATHec2-P_11000001000000027P-12271.5590.403


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T09:28:00Will EdgingtonManual testing??44.353141.94474e-812.264.04837e-8


ECM factoring results:
No ECM results for M13276927


Lucas-Lehmer results:
No L-L results for M13276927


PRP results:
dateuseridcompidcofactorsres64PRP
2022-06-29T05:27:03Poaooffice-CN2
238984687
22463737314527
3477592012194134675881
0DE9972C5D847E2Eno


P-1 factor-bounds graph:
B1 = 300000, B2 = 210129150 (P-1 stage 2)
B1 = 100000, B2 = 10000000 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
B1 = 100000 (P-1 stage 1)
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100
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109
TF factor-bounds graph:
267
2
220
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2100
Last modified: 2022-06-29T05:27:03+00:00