is 2 8906501 - 1
has 2681124 decimal digits
takes 2.326 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
Actual2673.336264.1791%----3.336264.1791%0.0000%
PrimeNet2640.399662.5000%3600010000000.03353.3212%0.433163.7455%1.2455%
GPU722686.692364.7059%5500012000000.04442.3057%6.736765.5197%0.8138%
Difference-1-3.3561-0.5268%-55000-1200000-0.0444-2.3057%-3.4005-1.3406%-1.3406%

Known prime factors (2 factors, 97.1 bits, 0.00109038% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
890650171252009826.0864
22
-441.005e-121.514e-63.082e-6
890650124075554890136980233132271.028135157200847656
23 × 3 × 13 × 383 × 409 × 2765429
2021-07-28409276542968.7410.05720.1065

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
89065011715431653712034126803800858173097.114
P-1 results:
Exponent "8906501" not found


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-07-28T19:06:51ATHec2-P_12500002500000027P-12271.0280.644


Trial Factoring results:
Exponent "8906501" not found


ECM factoring results:
Exponent "8906501" not found


Lucas-Lehmer results:
Exponent "8906501" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2019-03-28T17:35:49bunddog
71252009
E14376C0B3CE1914no
2020-09-22T16:42:56marssystemsSYSTEM01
71252009
E14376C0B3CE1914no
2021-07-28T22:57:45ATHec2-PRPCF
71252009
2407555489013698023313
E14376C0B3CE1914no


P-1 factor-bounds graph:
B1 = 250000, B2 = 25000000 (P-1 stage 2)
B1 = 250000 (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
220
230
240
250
260
270
280
290
2100
Last modified: 2021-07-28T22:57:45+00:00