is 2 697881047 - 1
has 210083129 decimal digits
takes 22,624.593 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
Actual2732.740958.9041%----2.740958.9041%0.0000%
PrimeNet280350.871562.5000%2600000180000000576.55865.6319%927.430164.6119%2.1119%
GPU722845,613.947664.2857%4000000180000000638.78364.2187%6,252.731265.7924%1.5067%
Difference-11-5,611.2066-5.3816%-4000000-180000000-638.7836-4.2187%-6,249.9903-6.8883%-6.8883%

Known prime factors (3 factors, 182.8 bits, 0.00002619% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978810472309633207548322711857.680165474705
3 × 5 × 11 × 19 × 52783
2008-04-3019527832.849e-50.13600.2525
69788104733459782687249601531961.5372397241108
22 × 557 × 647 × 1663
2016-05-0664716630.00060.03300.0619
697881047135171463006899034632063.5519684419973
3 × 199 × 2551 × 6359
2017-03-13255163590.00450.12970.2441

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
69788104777279825211822133910289790667349746336119.218
697881047312196499673623663388298585774705447337121.232
6978810474522807777728440284448747850409170983938125.089
69788104710446027034799438926772489745716998119199333610045
414369
56182.769
P-1 results:
No P-1 results for M697881047


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2016-05-06T15:28:21TJAOIManual testing261262*61.537190.00046,3640.000
2017-03-13T16:17:54TJAOIManual testing263264*63.551200.00246,3640.005
2022-08-12T16:27:08LordJuliusManual testing2127063.551200.00546,3640.009
2022-08-12T16:27:08LordJuliusManual testing2127057.680182.84926e-546,3645.83885e-5
2022-08-12T16:27:08LordJuliusManual testing2127061.537190.00146,3640.001
2022-08-12T16:27:08LordJuliusManual testing270271--0.343--
2022-08-12T16:27:08LordJuliusManual testing271272--0.685--
2022-08-12T16:27:08LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697881047


Lucas-Lehmer results:
No L-L results for M697881047


PRP results:
No PRP results for M697881047


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
TF factor-bounds graph:
273
272
271
270
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:08+00:00