is 2 2366297 - 1
has 712327 decimal digits
takes 0.160 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26712.557167.1642%2000000600000000.50557.6042%13.062669.6611%2.4969%
PrimeNet2590.032562.7119%100001700000.00182.4730%0.034363.6340%0.9221%
GPU722630.674565.0794%100001400000.00171.2711%0.676265.5232%0.4439%
Difference+4+11.8827+2.0848%+1990000+59860000+0.5038+6.3331%+12.3864+4.1378%+4.1378%

Known prime factors (2 factors, 75.9 bits, 0.00320666% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
23662972317977215271237.75448979
7 × 6997
-769971.239e-83.799e-56.976e-5
23662972997577713671238.12563339
3 × 43 × 491
2008-07-14434912.646e-86.603e-68.572e-6

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
2366297694831684128820001174092375.879
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-04-27T11:59:59alpertronManual testing20000006000000012-
skipped known factor: 231797721527
skipped known factor: 299757771367
--0.505--7.604%


Trial Factoring results:
No TF results for M2366297


ECM factoring results:

Old Calculation Method

Total ECM effort:0.267 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.267 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
50000500000030.267


Lucas-Lehmer results:
No L-L results for M2366297


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-12T10:57:50Oliver KruseGTX-322132F60CAF4EB__no
2017-11-24T21:00:39storm5510HP-Z220-CMT
231797721527
299757771367
22132F60CAF4EB__no


P-1 factor-bounds graph:
B1 = 2000000, B2 = 60000000 (P-1 stage 2)
B1 = 2000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2018-04-27T11:59:59+00:00