is 2 17377127 - 1
has 5231037 decimal digits
takes 9.895 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
Actual27013.750964.2857%----13.750964.2857%
Target2696.870363.7681%12000034000000.24663.3489%7.117064.9815%
Difference+1+6.8805+0.5176%-120000-3400000-0.2466-3.3489%+6.6339-0.6958%

Known prime factors (6 factors, 226.7 bits, 0.00130458% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
17377127139017017927.0514
22
-441.030e-123.303e-66.722e-6
17377127834102097929.63624
23 × 3
2008-09-08884.137e-126.606e-61.344e-5
1737712711468903831030.09533
3 × 11
2008-09-083118.290e-122.837e-65.041e-6
1737712716682041931030.63648
24 × 3
2008-09-0816168.317e-121.321e-52.689e-5
173771276967880384471239.34220049
3 × 41 × 163
2008-09-08411635.646e-93.934e-56.890e-5
1737712711317468111614349614312269.93932564267130045
3 × 5 × 73 × 29 × 9221 × 23669
2023-01-2492212366912.6560.00830.0155

57 Composite Factors:
P-1 results:
No P-1 results for M17377127


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08Will EdgingtonManual testing??30.095105.87973e-1420.581.22302e-13
2008-09-08Will EdgingtonManual testing??30.636108.55234e-1420.581.77893e-13
2008-09-08Will EdgingtonManual testing??39.342121.43132e-920.582.97722e-9
2008-09-08Will EdgingtonManual testing??29.63692.13808e-1420.584.44734e-14
2023-01-24LordJuliusManual testing267268--1.720--
2023-01-24LordJuliusManual testing268269--3.440--
2023-01-24LordJuliusManual testing269270
skipped known factors(?)
--6.881--
2023-01-24LordJuliusManual testing269270
skipped known factors(?)
--6.881--
2023-01-24LordJuliusManual testing26927069.939225.78620.1611.79


ECM factoring results:
No ECM results for M17377127


Lucas-Lehmer results:
No L-L results for M17377127


PRP results:
dateuseridcompidcofactorsres64PRP
2023-01-31Naegi Makoto5950X
139017017
834102097
1146890383
1668204193
696788038447
1131746811161434961431
A9BD72924D3337DCno


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
TF factor-bounds graph:
270
269
268
2
220
230
240
250
260
270
280
290
2100
Last modified: 2023-01-31T01:44:28+00:00