is 2 13714853 - 1
has 4128583 decimal digits
takes 6.085 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-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2672.166664.1791%3000002138020507.67648.9386%9.843067.3810%
Target2698.704965.2174%90000110000000.44032.7890%9.145266.1875%
Difference-2-6.5384-1.0383%+210000+202802050+7.2361+6.1496%+0.6977+1.1935%

Known prime factors (1 factor, 43.5 bits, 0.00031749% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
13714853128224823747031443.544467467
7 × 11 × 13 × 467		-134671.011e-72.428e-53.036e-5

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-08-02nordisweet16_30.8b14300000300000-
skipped known factor: 12822482374703
--0.193--2.177%
2022-08-30nordisweet16_30.8b14300000213802050-
skipped known factor: 12822482374703
--7.676--8.939%


Trial Factoring results:
No TF results for M13714853


ECM factoring results:
No ECM results for M13714853


Lucas-Lehmer results:
No L-L results for M13714853


PRP results:
dateuseridcompidcofactorsres64PRP
2022-09-18Perigbreagan
12822482374703
BD36FF28E113050Dno


P-1 factor-bounds graph:
B1 = 300000, B2 = 213802050 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
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TF factor-bounds graph:
this exponent TF target: 69
TF double-checked to: 67.9
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Last modified: 2023-10-02T12:12:48+00:00