is 2 43220011 - 1
has 13010520 decimal digits
takes 65.971 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
Actual2681.379161.7647 %----1.379161.7647 %
Target27222.127163.8889 %300000500000006.65703.9641 %28.784165.3204 %
Difference-4-20.7480-2.1242 %-300000-50000000-6.6570-3.9641 %-27.4050-3.5557 %

Known prime factors (1 factor, 76.4 bits, 0.00017671% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
43220011979546015778868000457132376.3751133208892263896
23 × 7 × 103 × 157 × 547 × 733 × 3121
2009-05-247333121648.100.00190.0033

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-05-24GraviouzAwarePC2376.3751.0570.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-11-17Colinv4_computers212680.692


ECM factoring results:
No ECM results for M43220011


Lucas-Lehmer results:
No L-L results for M43220011


PRP results:
No PRP results for M43220011


CERT results:
No CERT results for M43220011


P-1 factor-bounds graph:
101
102
103
101
102
103
104
TF factor-bounds graph:
268
this exponent TF target: 72
TF double-checked to: 67
250
260
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Last modified: 2024-03-13T02:15:48+00:00