is 2 2624483 - 1
has 790049 decimal digits
takes 0.203 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
Actual26711.321867.1642%2000000600000000.57797.6853%11.899769.6877%2.5235%
PrimeNet2590.029362.7119%110002000000.00242.6995%0.031663.7185%1.0066%
GPU722630.608165.0794%130002000000.00261.5718%0.610765.6282%0.5489%
Difference+4+10.7137+2.0848%+1987000+59800000+0.5753+6.1136%+11.2890+4.0595%+4.0595%

Known prime factors (1 factor, 49.4 bits, 0.00188146% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
26244837318489104703991549.379139427253
32 × 7 × 193 × 11467
-193114673.026e-59.040e-50.0001

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2019-07-04T12:43:05alpertronManual testing20000006000000012-
skipped known factor: 731848910470399
--0.578--7.685%


Trial Factoring results:
No TF results for M2624483


ECM factoring results:

Old Calculation Method

Total ECM effort:0.309 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.309 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.309


Lucas-Lehmer results:
No L-L results for M2624483


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-17T14:36:43Oliver KruseGTX-2
731848910470399
6D7E933FAB4AE1__no
2017-12-02T18:52:31kkmrkkblmbrbkc4.xlarge
731848910470399
6D7E933FAB4AE1__no


P-1 factor-bounds graph:
B1 = 2000000, B2 = 60000000 (P-1 stage 2)
B1 = 2000000 (P-1 stage 1)
101
102
103
104
105
106
107
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
240
250
260
270
280
290
2100
Last modified: 2019-07-04T12:43:05+00:00