is 2 680093537 - 1
has 204728555 decimal digits
takes 22,047.940 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
Actual2680.087655.8824%----0.087655.8824%0.0000%
PrimeNet280360.048462.5000%2400000180000000567.66935.5698%927.717764.5887%2.0887%
GPU722845,760.777664.2857%4000000180000000638.78364.2072%6,399.561265.7883%1.5026%
Difference-16-5,760.6900-8.4034%-4000000-180000000-638.7836-4.2072%-6,399.4736-9.9059%-9.9059%

Known prime factors (3 factors, 177.7 bits, 0.00002613% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
680093537265175107789221131754.55819495488
26 × 3 × 59 × 1721
2008-04-246417216.361e-60.00730.0082
680093537578928698444039691755.68442562432
27 × 11 × 19 × 37 × 43
2015-02-071281281.163e-50.00600.0122
6800935372008887492896820136332167.445147691999968
25 × 3 × 17 × 90497549
2022-08-0532904975490.0596231.77432.89

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
680093537153517480012171719883431075906649734110.242
680093537532706957465332476797957698711116652937122.003
6800935371163002621583266109456490613661730937738123.129
68009353730839934553748934318350627831820037115831256230755
3601
54177.687
P-1 results:
No P-1 results for M680093537


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-02-07T12:39:00TJAOIManual testing255256*55.684174.57051e-645,2199.37391e-6
2022-08-05T09:32:40TJAOIManual testing267268*67.445210.01645,2190.033
2022-08-10T19:29:53LordJuliusManual testing2126867.445210.06045,2190.122
2022-08-10T19:29:53LordJuliusManual testing2126854.558176.36083e-645,2191.30458e-5
2022-08-10T19:29:53LordJuliusManual testing2126855.684171.16279e-545,2192.38483e-5


ECM factoring results:
No ECM results for M680093537


Lucas-Lehmer results:
No L-L results for M680093537


PRP results:
No PRP results for M680093537


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
268
256
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:53+00:00