is 2 59915243 - 1
has 18036286 decimal digits
takes 133.103 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
Actual2680.994861.7647%----0.994861.7647%0.0000%
PrimeNet2691.992662.3188%260000120000002.89795.6498%4.890564.4478%2.1289%
GPU7227331.925864.3836%400000140000003.67534.1523%35.601165.8625%1.4789%
Difference-5-30.9310-2.6189%-400000-14000000-3.6753-4.1523%-34.6063-4.0978%-4.0978%

Known prime factors (2 factors, 122.9 bits, 0.00020515% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
59915243498936465404287031755.470416368557
32 × 11 × 4205743
2000-06-231142057438.526e-50.73811.3786
599152432008697097472158192172167.4451676282192056
23 × 43 × 4872913349
2022-08-054348729133490.6467855.201,597.3

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
599152431002212229880609228028729822252578555138122.915
P-1 results:
No P-1 results for M59915243


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-06-23T00:00:00ANONYMOUSv4_computers??55.470175.14980e-6273.21.05714e-5
1999-12-30T00:00:00ANONYMOUSv4_computers21253--2.00270e-5--
2000-03-08T00:00:00ANONYMOUSv4_computers21254--4.00540e-5--
2022-08-10T19:29:27LordJuliusManual testing2126655.470178.52578e-5273.20.000
2022-08-10T19:29:27LordJuliusManual testing266267--0.249--
2022-08-05T09:31:15TJAOIManual testing267268*67.445210.151272.20.308
2022-08-10T19:29:27LordJuliusManual testing26726867.445210.151272.20.308


ECM factoring results:
No ECM results for M59915243


Lucas-Lehmer results:
No L-L results for M59915243


PRP results:
No PRP results for M59915243


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
268
267
266
254
253
2
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:27+00:00