is 2 22122671 - 1
has 6659588 decimal digits
takes 16.131 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
Actual2671.343162.6866%----1.343162.6866%0.0000%
PrimeNet2650.329861.5385%10000032000000.28435.1444%0.614163.5171%1.9786%
GPU722695.396663.7681%17000050000000.45803.9701%5.854565.2065%1.4384%
Difference-2-4.0534-1.0815%-170000-5000000-0.4580-3.9701%-4.5114-2.5200%-2.5200%

Known prime factors (3 factors, 118.3 bits, 0.00053483% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
22122671176981369927.3994
22		-448.089e-134.229e-68.607e-6
221226719121619706731239.73020616
23 × 3 × 859		2008-09-0888594.841e-95.748e-59.247e-5
2212267125677334697025291651.18958033984
26 × 31 × 29251		2014-06-1964292511.991e-50.00170.0031

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
221226711614356743194453913372167.130
221226714544409846950736051822012478.588
2212267123421888218868787917319320172890.920
2212267141452378415403697169778320938359127336118.319
P-1 results:
No P-1 results for M22122671


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T18:25:00Will EdgingtonManual testing??39.730121.53058e-933.203.14968e-9
2014-06-19T11:39:00TJAOIManual testing??51.189166.35143e-633.201.30702e-5
2003-04-10T00:00:00Thomas Mullenv4_computers256257--0.000--


ECM factoring results:
No ECM results for M22122671


Lucas-Lehmer results:
No L-L results for M22122671


PRP results:
No PRP results for M22122671


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
TF factor-bounds graph:
267
257
2
220
230
240
250
260
270
280
290
2100
Last modified: 2014-06-19T11:39:25+00:00