is 2 9128653 - 1
has 2747999 decimal digits
takes 2.523 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
Actual2673.255064.1791%----3.255064.1791%0.0000%
PrimeNet2640.389962.5000%4000010000000.03703.4048%0.426963.7768%1.2768%
GPU722686.529464.7059%6000013000000.05112.4053%6.580565.5548%0.8489%
Difference-1-3.2744-0.5268%-60000-1300000-0.0511-2.4053%-3.3255-1.3757%-1.3757%

Known prime factors (3 factors, 110.3 bits, 0.00120864% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
912865354771919825.7073
3
-134.900e-134.444e-78.156e-7
9128653137294941131133.677752
24 × 47
2008-09-0816471.458e-107.089e-61.305e-5
912865321735453515310971650.949119050716
22 × 3 × 41 × 241973
2014-06-12412419732.552e-50.00530.0099

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
91286537519907394682128471859.383
91286531190492499368877708651432476.656
9128653298416781081847117979319612684.626
9128653163448597616556627163467373540315934110.332
P-1 results:
No P-1 results for M9128653


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T05:24:00Will EdgingtonManual testing??33.677112.04043e-115.5144.45956e-11
2014-06-12T11:39:00TJAOIManual testing??50.949169.09025e-65.5141.98674e-5


ECM factoring results:
No ECM results for M9128653


Lucas-Lehmer results:
No L-L results for M9128653


PRP results:
dateuseridcompidcofactorsres64PRP
2019-06-30T05:54:03Ivan MLAB
54771919
13729494113
2173545351531097
13F715494D463D__no
2020-10-22T12:00:38kutenshadar
54771919
13729494113
2173545351531097
13F715494D463DD3no


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
Last modified: 2020-10-22T12:00:38+00:00