is 2 4579657 - 1
has 1378615 decimal digits
takes 0.603 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
Actual2676.488265.6716%----6.488265.6716%0.0000%
PrimeNet2610.067162.2951%190004000000.00763.0735%0.074763.4539%1.1589%
GPU722651.593164.6154%280005500000.01082.1371%1.603865.3716%0.7562%
Difference+2+4.8952+1.0563%-28000-550000-0.0108-2.1371%+4.8844+0.3001%+0.3001%

Known prime factors (4 factors, 202.7 bits, 0.00442669% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
457965727477943824.7123
3
-134.884e-132.117e-73.885e-7
45796576197924597531239.17367668
22 × 3 × 5639
2008-09-07456392.633e-85.938e-50.0001
45796576614833383080677611859.19872219746840
23 × 5 × 41 × 397 × 110923
2015-11-033971109230.03080.00120.0022
45796579445389833538452688395772479.644103123332528379884
22 × 34 × 7 × 1039 × 43762118867
2019-02-0810394376211886739,372455.20850.18

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
4579657170306218809227280792063.885
4579657181762014654788023768956232683.910
45796574099823853355831708747893230333098.371
45796572595398834587490912799357295011132104.356
457965758541813982547768074504299278604448136118.817
45796571126547261525519024105672115530936111938123.083
457965762479679987101001334654616317987755457709742138.842
45796571608608627729050565928448888832434144438258344143.529
45796571716813085343802049916563471872537419164886047147150163.554
457965738724434543785616928854920568422082974469345330807
7041
54178.015
457965710640678051013721861909105626486295959137391262472
502372206663
62202.727
P-1 results:
No P-1 results for M4579657


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-07T23:42:00Will EdgingtonManual testing??39.173121.03428e-81.2932.21718e-8
2015-11-03T12:10:04TJAOIManual testing259260*59.198180.0141.2590.029


ECM factoring results:

Old Calculation Method

Total ECM effort:0.392 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.392 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.392


Lucas-Lehmer results:
No L-L results for M4579657


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-17T22:10:23kkmrkkblmbrbkc4.xlarge
27477943
619792459753
661483338308067761
CFD7DDFA15A7DD__no
2018-02-24T23:21:40Oliver KruseGTX-1
27477943
619792459753
661483338308067761
CFD7DDFA15A7DD__no
2019-02-10T00:14:50EthanDLexxBuntu
27477943
619792459753
661483338308067761
944538983353845268839577
CFD7DDFA15A7DD82no


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
267
260
2
220
230
240
250
260
270
280
290
2100
Last modified: 2019-02-10T00:14:50+00:00