is 2 13161923 - 1
has 3962134 decimal digits
takes 5.376 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-
PRPF14495BEE0678D35verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2672.257664.1791%3000002101291506.94878.8798%9.206367.3599%3.1808%
PrimeNet2640.270462.5000%6000017000000.08854.3450%0.358964.1294%1.6294%
GPU722684.528664.7059%9000024000000.12783.1746%4.656465.8263%1.1205%
Difference-1-2.2710-0.5268%+210000+207729150+6.8209+5.7052%+4.5499+1.5336%+1.5336%

Known prime factors (2 factors, 113.6 bits, 0.00086273% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
131619234403452958891238.68016728
23 × 3 × 17 × 41
-17414.509e-91.084e-52.049e-5
13161923345644469947092964613432374.8721313046999086277
3 × 72 × 132 × 17 × 29 × 163 × 8112
2022-06-10657721657721445.270.38960.7928

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
131619231522029163912492196780910398531892735113.552
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-06-06T12:16:37nordisweet16_30.8b14300000300000-
skipped known factor: 440345295889
--0.178--2.163%
2022-06-10T16:03:24nordisweet16_30.8b143000002101291502374.8726.94910.7513.908.880%


Trial Factoring results:
No TF results for M13161923


ECM factoring results:
No ECM results for M13161923


Lucas-Lehmer results:
No L-L results for M13161923


PRP results:
dateuseridcompidcofactorsres64PRP
2022-06-17T02:08:58Poaooffice-CN3
440345295889
34564446994709296461343
F14495BEE0678D35no


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
230
240
250
260
270
280
290
2100
Last modified: 2022-06-17T02:08:58+00:00