is 243787581-1
has 13,181,376 decimal digits
takes 66.837 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LFF441BAC07346B8Adouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2630.036458.7302%285,0006,341,2501.36118.6751%1.397567.4053%5.6406%
PrimeNet2681.361261.7647%190,0008,000,0001.36235.3546%2.723567.1193%5.3546%
GPU7227221.840363.8889%300,00010,000,0001.83373.9707%23.673967.8596%3.9707%
Difference-9-21.8038-5.1587%-15,000-3,658,750-0.4726+4.7044%-22.2764-0.4544%-0.4544%

Known prime factors (1 factor, 121.6 bits, 0.00027768% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
43787581400339581285854480810869025282225620937121.59145713827087851059962740237384
23 × 32 × 41 × 47 × 67 × 14083 × 22159 × 165601 × 95159089
165,60195,159,0892012-05-213.587e+911.82121.432

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-05-21T10:54:00kurlysmile285,0006,341,25037121.5911.361133.72.7228.675%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2007-09-13T00:00:00radius2v4_computers?268--0.683--


ECM factoring results:
Exponent "43787581" not found


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2012-05-19T07:47:00curtiscwd-004--04lFF441BAC07346B8A66.84


PRP results:
Exponent "43787581" not found


P-1 factor-bounds graph:
B1 = 285,000, B2 = 6,341,250 (stage 2)
B1 = 285,000 (stage 1)
104
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106
104
105
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108
TF factor-bounds graph:
268
263
250
260
270
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2100
2110
2120
2130
Last modified: 2012-05-21T10:54:00+00:00