is 2 629626927 - 1
has 189536592 decimal digits
takes 19,041.842 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2733.038158.9041 %----3.038158.9041 %
Target2833,111.261063.8554 %36000008000000002,060.62874.4009 %5,171.889865.4461 %
Difference-10-3,108.2230-4.9513 %-3600000-800000000-2,060.6287-4.4009 %-5,168.8517-6.5420 %

Known prime factors (6 factors, 305.1 bits, 0.00004845% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
629626927868885159271136.33869
3 × 23
2008-04-093231.476e-110.00020.0003
629626927906662774891136.40072
23 × 32
2008-04-09991.477e-110.00040.0008
629626927995666837280731446.50179068
22 × 3 × 11 × 599
2008-04-09115991.659e-80.00190.0027
6296269271177763255644556411856.70993528660
22 × 3 × 5 × 1558811
2015-04-24515588111.980e-53.72456.9560
6296269271390578416224410411856.948110428760
23 × 5 × 13 × 19 × 11177
2015-05-1319111772.026e-50.02750.0499
62962692753661100278788712603132272.1844261340960628
22 × 3 × 397 × 894488027
2023-05-043978944880271.96872,137.13,991.5

57 Composite Factors:
P-1 results:
No P-1 results for M629626927


Trial Factoring results:
575859606162636465666768697071727374757677787980818283
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2015-04-24TJAOIManual testing256257*
56.709
18
1.08069e-5
2015-05-13TJAOIManual testing256257*
56.948
18
1.44604e-5
2023-01-22LordJuliusManual testing267272
2023-05-04mikrManual testing272273
36.338
36.400
72.184
11
11
22
1.519


ECM factoring results:
No ECM results for M629626927


Lucas-Lehmer results:
No L-L results for M629626927


PRP results:
No PRP results for M629626927


CERT results:
No CERT results for M629626927


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
273
272
this exponent TF target: 83
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00