is 2 9002393 - 1
has 2709991 decimal digits
takes 2.488 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-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2673.300764.1791 %1000000760000002.03848.5234 %5.339067.2323 %
Target2686.621064.7059 %6000065000000.16472.4000 %6.785765.5529 %
Difference-1-3.3203-0.5268 %+940000+69500000+1.8737+6.1235%-1.4466+1.6793 %

Known prime factors (3 factors, 153.3 bits, 0.00170294% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9002393164923839771133.941916
22 × 229
-42291.523e-106.516e-69.168e-6
900239330901074068231341.491171627
3 × 19 × 3011
2008-09-081930113.738e-87.294e-50.0001
90023932768879345998159320442312477.87415378574041358555
5 × 4019 × 12041 × 63557309
2021-03-1612041635573095,913.21.39232.5919

4 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-03-16ViliamF310000007600000022477.8742.0387.831%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-09-08Will EdgingtonManual testing??
41.491
13


ECM factoring results:
No ECM results for M9002393


Lucas-Lehmer results:
No L-L results for M9002393


PRP results:
dateuseridcompidcofactorsres64
2019-05-17ATHec2-PRPCF
16492383977
3090107406823
0DDF06AE2B3FC694
2020-10-04kutensspica
16492383977
3090107406823
0DDF06AE2B3FC694
2021-03-16ViliamF3
16492383977
3090107406823
276887934599815932044231
0DDF06AE2B3FC694


CERT results:
dateuseridcompid
2020-10-04M Millercruncher
2021-03-16Ben Deloi-0e202525c5a517cad


P-1 factor-bounds graph:
B1 = 1000000, B2 = 76000000 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
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108
TF factor-bounds graph:
this exponent TF target: 68
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00