is 2 761899213 - 1
has 229354517 decimal digits
takes 29,364.866 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
Actual2745.021559.4595%----5.021559.4595%0.0000%
PrimeNet280321.389762.5000%2800000200000000756.91215.8197%1,078.301864.6824%2.1824%
GPU722845,142.238764.2857%4500000200000000846.74114.3883%5,988.979865.8529%1.5672%
Difference-10-5,137.2172-4.8263%-4500000-200000000-846.7411-4.3883%-5,983.9584-6.3935%-1.5672%

Known prime factors (2 factors, 133.2 bits, 0.00001748% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
761899213603565181688109595212065.71039609253520
24 × 5 × 59 × 8391791
2013-05-175983917910.014525.55447.723
7618992132093707301903809143432167.505137400542367
3 × 11 × 19 × 219139621
2022-09-22192191396210.0443667.241,246.2

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
7618992131263688828075294294245034282872714130970341133.215
P-1 results:
No P-1 results for M761899213


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-06-06T11:40:00Architects Cubedm1_33263264--0.003--
2011-07-04T21:54:00monstpoincare264265--0.005--
2013-05-17T19:19:00america64Manual testing26526665.710200.00560,1070.010
2022-09-22T09:43:53TJAOIManual testing267268*67.505210.00560,1070.011
2022-09-25T22:01:40LordJuliusManual testing2127067.505210.04460,1070.091
2022-09-25T22:01:40LordJuliusManual testing2127065.710200.01460,1070.030
2022-09-25T22:01:40LordJuliusManual testing270271--0.314--
2022-09-25T22:01:40LordJuliusManual testing271272--0.628--
2022-09-25T22:01:40LordJuliusManual testing272273--1.255--
2022-09-25T22:01:40LordJuliusManual testing273274--2.511--


ECM factoring results:
No ECM results for M761899213


Lucas-Lehmer results:
No L-L results for M761899213


PRP results:
No PRP results for M761899213


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
274
273
272
271
270
268
266
265
264
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:40+00:00