is 2 229087927 - 1
has 68962338 decimal digits
takes 2,265.425 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
Actual2670.129758.2090%----0.129758.2090%0.0000%
PrimeNet27533.401662.6667%9000005500000055.16915.6739%88.570764.7849%2.1183%
GPU72279534.437664.5570%14000005500000061.94804.1731%596.385566.0360%1.4791%
Difference-12-534.3078-6.3480%-1400000-55000000-61.9480-4.1731%-596.2558-7.8271%-7.8271%

Known prime factors (3 factors, 197.5 bits, 0.00008623% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
229087927212657813908791127612064.20546414015940
22 × 5 × 109 × 499 × 42667
2011-06-20499426670.02850.04010.0623
229087927683427373981949254312065.889149162678045
5 × 2749 × 10852141
2019-06-272749108521410.06288.515215.834
2290879272002272986492965297032167.440437009713413
3 × 7 × 13 × 43 × 179 × 207973
2022-08-031792079730.13740.16490.3035

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
229087927145336171316427163739142262640183552499140130.095
229087927425798996156220465129279427010492283998340131.645
2290879271368408169153882221941201577669316157699341133.330
22908792729100268978719585685368878618638327619030507628403
9430307673
60197.535
P-1 results:
No P-1 results for M229087927


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2011-06-20T09:01:00sasaki3mate_ma2??64.205200.0134,6500.027
2010-03-17T00:00:00HBendtzv4_computers262263--0.004--
2022-06-30T05:15:21LordJuliusManual testing2126564.205200.0294,6500.059
2019-06-27T11:14:55TJAOIManual testing265266*65.889200.0314,6500.064
TF assumed completed to 67 but no detailed record exists
2022-08-03T11:19:15TJAOIManual testing267268*67.440210.0084,6500.016


ECM factoring results:
No ECM results for M229087927


Lucas-Lehmer results:
No L-L results for M229087927


PRP results:
No PRP results for M229087927


P-1 factor-bounds graph:
101
102
103
104
101
102
103
104
105
106
107
108
TF factor-bounds graph:
268
267
266
265
263
2
250
260
270
280
290
2100
Last modified: 2022-08-03T11:19:15+00:00