is 2 13073213 - 1
has 3935430 decimal digits
takes 5.340 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-
PRP8A901D9B4A92C272verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2672.272964.1791%3000002241637867.40168.9445%9.674567.3831%3.2040%
PrimeNet2640.272362.5000%6000017000000.08854.3407%0.360764.1278%1.6278%
GPU722684.559364.7059%9000024000000.12783.1715%4.687265.8252%1.1193%
Difference-1-2.2864-0.5268%+210000+221763786+7.2738+5.7730%+4.9873+1.5579%+1.5579%

Known prime factors (1 factor, 55.8 bits, 0.00042665% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
13073213617489437187874311755.7772361659055
3 × 5 × 7 × 19 × 47 × 89 × 283
2000-05-05892830.00065.897e-50.0001

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-31T15:44:54nordisweet16_30.8b14300000300000-
skipped known factor: 61748943718787431
--0.178--2.161%
2022-06-03T06:42:43nordisweet16_30.8b14300000224163786-
skipped known factor: 61748943718787431
--7.402--8.944%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-05-05T00:00:00Thomas Nv4_computers??55.777170.00011.150.000


ECM factoring results:
No ECM results for M13073213


Lucas-Lehmer results:
No L-L results for M13073213


PRP results:
dateuseridcompidcofactorsres64PRP
2022-06-05T15:26:56XZT600G2Mini3
61748943718787431
8A901D9B4A92C272no


P-1 factor-bounds graph:
B1 = 300000, B2 = 224163786 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
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TF factor-bounds graph:
267
2
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2100
Last modified: 2022-06-05T15:26:56+00:00