is 2 7018747 - 1
has 2112854 decimal digits
takes 1.530 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2674.233565.6716%----4.233565.6716%0.0000%
PrimeNet2630.227463.4921%300008000000.02273.3150%0.250164.7023%1.2102%
GPU722674.233565.6716%450009000000.02902.2415%4.262566.4411%0.7695%
Difference----45000-900000-0.0290-2.2415%-0.0290-0.7695%-0.7695%

Known prime factors (3 factors, 135.9 bits, 0.00193664% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
7018747728967063431136.0855193
32 × 577
-95771.466e-91.263e-51.861e-5
7018747867517129211136.3366180
22 × 3 × 5 × 103
2008-09-0851031.745e-93.269e-63.269e-6
7018747131042962024983100392063.507933521054577
3 × 19 × 16377562361
2017-03-0319163775623610.3180282.13526.93

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
701874763239141415543757579032272.421
70187479552600321052093698667518773773099.592
701874711368201421908838754909803139193199.843
70187478287044407009636652327976688894729848821741135.928
P-1 results:
No P-1 results for M7018747


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T03:08:00Will EdgingtonManual testing??36.336114.40420e-103.3379.60294e-10
2017-03-03T17:08:11TJAOIManual testing263264*63.507200.0913.1100.184


ECM factoring results:
No ECM results for M7018747


Lucas-Lehmer results:
No L-L results for M7018747


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-11T00:44:28kkmrkkblmbrbkManual testing
72896706343
86751712921
13104296202498310039
2038A228FEEA2D__no
2019-03-08T10:03:27CuboxPhoenix
72896706343
86751712921
13104296202498310039
2038A228FEEA2D69no


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
267
264
2
230
240
250
260
270
280
290
2100
Last modified: 2019-03-08T10:03:27+00:00