is 2 11879953 - 1
has 3576223 decimal digits
takes 4.574 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
Actual2672.501264.1791%----2.501264.1791%0.0000%
PrimeNet2640.299662.5000%5000015000000.07204.0401%0.371664.0150%1.5150%
GPU722685.017364.7059%8000020000000.10312.9366%5.120365.7423%1.0365%
Difference-1-2.5161-0.5268%-80000-2000000-0.1031-2.9366%-2.6191-1.5632%-1.5632%

Known prime factors (2 factors, 124.0 bits, 0.00104390% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1187995328052845816091341.351118068
22 × 3 × 9839
-498393.837e-80.00030.0006
1187995376598646065360730523518732582.664322386149445880512
26 × 3 × 149 × 367 × 57503 × 533989
2021-08-0857503533989137,2690.04660.0653

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
118799532148810007792813509943278360225250365738124.015
P-1 results:
Exponent "11879953" not found


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-08-08T02:51:17ATHec2-P_11250001250000027P-12582.6640.439


Trial Factoring results:
Exponent "11879953" not found


ECM factoring results:
Exponent "11879953" not found


Lucas-Lehmer results:
Exponent "11879953" not found


PRP results:
Exponent "11879953" not found


P-1 factor-bounds graph:
B1 = 125000, B2 = 12500000 (P-1 stage 2)
B1 = 125000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
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108
TF factor-bounds graph:
267
240
250
260
270
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290
2100
Last modified: 2021-08-08T02:51:17+00:00