is 2 13291049 - 1
has 4001005 decimal digits
takes 5.897 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-
PRP7589A4615265FEC0verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2672.235664.1791%3000002101291507.54778.8892%9.783367.3633%3.1842%
PrimeNet2640.267862.5000%6000017000000.09614.3511%0.363964.1317%1.6317%
GPU722684.484664.7059%9000024000000.13893.1792%4.623565.8279%1.1221%
Difference-1-2.2490-0.5268%+210000+207729150+7.4088+5.7101%+5.1599+1.5354%+1.5354%

Known prime factors (2 factors, 82.9 bits, 0.00062378% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
132910498749763377691239.67032916
22 × 3 × 13 × 211
-132116.197e-91.530e-51.702e-5
13291049103620207855771443.236389812
22 × 97453
2008-09-084974531.212e-70.00340.0064

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1329104990665229988504198755577132582.907
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-06-20T08:51:34nordisweet16_30.8b14300000300000-
skipped known factor: 874976337769
skipped known factor: 10362020785577
--0.193--2.166%
2022-06-23T03:57:19nordisweet16_30.8b14300000210129150-
skipped known factor: 874976337769
skipped known factor: 10362020785577
--7.548--8.889%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T09:28:00Will EdgingtonManual testing??43.236143.30522e-812.276.88003e-8


ECM factoring results:
No ECM results for M13291049


Lucas-Lehmer results:
No L-L results for M13291049


PRP results:
dateuseridcompidcofactorsres64PRP
2022-07-02T13:21:14Ryan Propperboulder
874976337769
10362020785577
7589A4615265FEC0no


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
2
230
240
250
260
270
280
290
2100
Last modified: 2022-07-02T13:21:14+00:00