is 2 5210729 - 1
has 1568586 decimal digits
takes 0.823 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2675.702465.6716%25000002400000003.535410.2189%9.237869.1796%3.5080%
PrimeNet2620.117962.9032%220005000000.01103.0038%0.128964.0176%1.1143%
GPU722662.834265.1515%300006000000.01401.9879%2.848265.8443%0.6928%
Difference+1+2.8682+0.5201%+2470000+239400000+3.5214+8.2310%+6.3896+3.3353%+3.3353%

Known prime factors (2 factors, 125.9 bits, 0.00241660% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
52107291443758777520971547.03713853712
24 × 3 × 397 × 727
-3977275.897e-69.502e-50.0002
52107295583608466905483829327612478.88653577997118114220
22 × 34 × 5 × 113 × 85847 × 3409321
2021-08-2585847340932122,2760.06110.0794

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
52107298061383734335198811027056856497774981738125.922
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-08-25T21:10:19happy5214Manual testing25000002400000002478.8863.5351.6467.07110.219%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-08-25T21:10:19happy5214Manual testing12500008500000027P-12478.8861.459


Trial Factoring results:
Exponent "5210729" not found


ECM factoring results:
Exponent "5210729" not found


Lucas-Lehmer results:
Exponent "5210729" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-23T06:29:44kkmrkkblmbrbkc4.xlarge
144375877752097
32272F56C4AC1A__no
2018-05-27T15:19:25Gabriel Lignelli
144375877752097
32272F56C4AC1A__no
2021-08-25T22:15:42happy5214Manual testing
144375877752097
558360846690548382932761
32272F56C4AC1A5Ano


P-1 factor-bounds graph:
B1 = 2500000, B2 = 240000000 (P-1 stage 2)
B1 = 1250000, B2 = 85000000 (P-1 stage 2)
B1 = 2500000 (P-1 stage 1)
B1 = 1250000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-08-25T22:15:42+00:00