is 2 43148921 - 1
has 12989120 decimal digits
takes 65.862 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2670.688661.1940%----0.688661.1940%-0.5707%
PrimeNet2681.381461.7647%19000080000001.36235.3447%2.743767.1094%5.3447%
GPU7227222.163663.8889%300000100000001.83373.9632%23.997267.8521%3.9632%
Difference-5-21.4749-2.6949%-300000-10000000-1.8337-3.9632%-23.3086-6.6581%-6.6581%

Known prime factors (1 factor, 76.1 bits, 0.00017643% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
43148921825683287259712890684892376.128956783238287364
22 × 32 × 97 × 109 × 113 × 137 × 397 × 409
2008-07-25397409439.430.00090.0018

P-1 results:
Exponent "43148921" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-07-25T00:00:00lindedv4_computers??76.1282384.76134.2172.7
2004-03-16T00:00:00ANONYMOUSv4_computers?262--0.007--
2007-08-14T00:00:00sannerud.comv4_computers?268--0.693--


ECM factoring results:
Exponent "43148921" not found


Lucas-Lehmer results:
Exponent "43148921" not found


PRP results:
Exponent "43148921" not found


P-1 factor-bounds graph:
101
102
103
101
102
103
TF factor-bounds graph:
268
267
262
2
250
260
270
280
290
2100
Last modified: 2008-07-25T20:42:07+00:00