is 2 727307531 - 1
has 218941383 decimal digits
takes 25,152.719 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
Actual2745.260359.4595%----5.260359.4595%0.0000%
PrimeNet280336.675462.5000%2600000200000000669.69245.7480%1,006.367864.6555%2.1555%
GPU722845,386.810264.2857%4000000200000000736.07174.3122%6,122.881965.8258%1.5401%
Difference-10-5,381.5499-4.8263%-4000000-200000000-736.0717-4.3122%-6,117.6215-6.3663%-1.5401%

Known prime factors (2 factors, 132.6 bits, 0.00001823% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
727307531398866978988458399612065.11327420792580
22 × 5 × 283 × 1523 × 3181
2012-12-18152331810.01510.08090.1554
7273075312089608428945539652892167.502143653704924
22 × 3 × 9349 × 1280473
2022-09-21934912804730.06243.94166.5340

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
727307531833475801322326131414477791563444311372940132.614
P-1 results:
No P-1 results for M727307531


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2012-12-18T05:18:00monstabbe??65.113200.00551,5350.010
2010-07-23T12:54:00Architects CubedManual testing263264--0.003--
2011-03-22T23:48:00monstpoincare264265--0.005--
2022-09-21T07:12:06TJAOIManual testing267268*67.502210.02251,5350.044
2022-09-25T22:01:40LordJuliusManual testing2127067.502210.06251,5350.128
2022-09-25T22:01:40LordJuliusManual testing2127065.113200.01551,5350.031
2022-09-25T22:01:40LordJuliusManual testing270271--0.329--
2022-09-25T22:01:40LordJuliusManual testing271272--0.658--
2022-09-25T22:01:40LordJuliusManual testing272273--1.315--
2022-09-25T22:01:40LordJuliusManual testing273274--2.630--


ECM factoring results:
No ECM results for M727307531


Lucas-Lehmer results:
No L-L results for M727307531


PRP results:
No PRP results for M727307531


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
274
273
272
271
270
268
265
264
2
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:40+00:00