is 2 43088207 - 1
has 12970843 decimal digits
takes 65.769 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2681.383361.7647 %----1.383361.7647 %
Target27222.194863.8889 %300000500000006.65703.9625 %28.851865.3198 %
Difference-4-20.8115-2.1242 %-300000-50000000-6.6570-3.9625 %-27.4685-3.5551 %

Known prime factors (1 factor, 72.7 bits, 0.00016872% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4308820776653540871448443654632272.69988949559761733
3 × 11 × 5639 × 9739 × 49081
2009-08-0997394908135.0380.02630.0439

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-08-09CTI-ConsultingBlackbird2272.6991.8130.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2004-03-16ANONYMOUSv4_computers212620.007
2007-07-24Team Prime Ribv4_computers212680.694


ECM factoring results:
No ECM results for M43088207


Lucas-Lehmer results:
No L-L results for M43088207


PRP results:
No PRP results for M43088207


CERT results:
No CERT results for M43088207


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
268
262
this exponent TF target: 72
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00