is 2 13192507 - 1
has 3971341 decimal digits
takes 5.389 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-
PRP418FE0CEC6873696verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2672.252364.1791%3000002101291506.94878.8821%9.201167.3607%3.1816%
PrimeNet2640.269862.5000%6000017000000.08854.3464%0.358364.1299%1.6299%
GPU722684.518164.7059%9000024000000.12783.1757%4.645965.8267%1.1208%
Difference-1-2.2658-0.5268%+210000+207729150+6.8209+5.7064%+4.5551+1.5340%+1.5340%

Known prime factors (2 factors, 114.7 bits, 0.00086944% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
13192507244643857443715271754.442927207609
3 × 359 × 860917
2000-05-103598609170.00020.02800.0519
1319250713794876448515176571960.25952282998404
22 × 7 × 13 × 53 × 2710087
2016-01-255327100870.01540.08750.1633

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
131925073374831787324212047090383160855223935114.700
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-06-09T03:36:11nordisweet16_30.8b14300000300000---0.178--2.164%
2022-06-11T08:34:48nordisweet16_30.8b14300000210129150-
skipped known factor: 24464385744371527
skipped known factor: 1379487644851517657
--6.949--8.882%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-05-10T00:00:00ANONYMOUSv4_computers??54.442175.23286e-511.240.000
2016-01-25T12:28:43TJAOIManual testing260261*60.259190.00411.220.008


ECM factoring results:
No ECM results for M13192507


Lucas-Lehmer results:
No L-L results for M13192507


PRP results:
dateuseridcompidcofactorsres64PRP
2022-06-17T12:06:51XZT7060Micro3
24464385744371527
1379487644851517657
418FE0CEC6873696no


P-1 factor-bounds graph:
B1 = 300000, B2 = 210129150 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
267
261
2
250
260
270
280
290
2100
Last modified: 2022-06-17T12:06:51+00:00