is 2 230755309 - 1
has 69464270 decimal digits
takes 2,281.914 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
Actual2724.144461.1111%----4.144461.1111%0.0000%
PrimeNet27533.160362.6667%9000005500000055.16915.6785%88.329464.7866%2.1200%
GPU72279530.575864.5570%14000005500000061.94804.1765%592.523866.0373%1.4803%
Difference-7-526.4315-3.4459%-1400000-55000000-61.9480-4.1765%-588.3794-4.9261%-1.4803%

Known prime factors (2 factors, 133.6 bits, 0.00005789% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
230755309778199872482043155592066.077168620144831
432 × 521 × 175039
2015-11-1918491750390.11880.16180.2554
2307553092095514202041561354892167.506454055469216
25 × 3 × 17 × 6029 × 46147
2022-09-226029461470.20550.11780.1759

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
2307553091630728884813053463591319629921771477335141133.583
P-1 results:
No P-1 results for M230755309


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-11-19T11:26:51Richardwdmd-solr-web??66.077200.0554,6820.113
2011-06-24T16:10:00Richard8F02264265--0.016--
2013-09-29T22:44:00Richard8F02265266--0.032--
2022-09-22T09:50:20TJAOIManual testing267268*67.506210.0774,6820.157
2022-09-25T22:01:24LordJuliusManual testing2126867.506210.2054,6820.422
2022-09-25T22:01:24LordJuliusManual testing2126866.077200.1194,6820.244
2022-09-25T22:01:24LordJuliusManual testing268269--0.259--
2022-09-25T22:01:24LordJuliusManual testing269270--0.518--
2022-09-25T22:01:24LordJuliusManual testing270271--1.036--
2022-09-25T22:01:24LordJuliusManual testing271272--2.073--


ECM factoring results:
No ECM results for M230755309


Lucas-Lehmer results:
No L-L results for M230755309


PRP results:
No PRP results for M230755309


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
272
271
270
269
268
266
265
2
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:24+00:00