is 2 8937021983 - 1
has 2690311689 decimal digits
takes 2,596,804.825 GHz-days to do one PRP test
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2570.000040.3509%----0.000040.3509%0.0000%
PrimeNet292112,226.886863.0435%26000000300000000079,221.96565.3442%191,448.852565.0185%1.9750%
GPU722961,795,630.189964.5833%40000000300000000084,799.11114.1531%1,880,429.301066.0542%1.4709%
Difference-39-1,795,630.1898-24.2325%-40000000-3000000000-84,799.1111-4.1531%-1,880,429.3010-25.7033%-25.7033%

Known prime factors:
No known factors for M8937021983

P-1 results:
No P-1 results for M8937021983


Trial Factoring results:
No TF results for M8937021983


ECM factoring results:
No ECM results for M8937021983


Lucas-Lehmer results:
No L-L results for M8937021983


PRP results:
No PRP results for M8937021983


TF factor-bounds graph:
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