is 2 48380999 - 1
has 14564132 decimal digits
takes 83.995 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
Actual2692.467662.3188 %----2.467662.3188 %
Target27219.766763.8889 %340000550000008.35274.1694 %28.119465.3945 %
Difference-3-17.2991-1.5700 %-340000-55000000-8.3527-4.1694 %-25.6518-3.0757 %

Known prime factors (1 factor, 69.6 bits, 0.00014383% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
483809998857031949300962346312169.5859153419867685
33 × 5 × 17 × 31 × 3049 × 42197
2009-11-093049421974.00020.01300.0156

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-11-09curtischum110--04l2169.5851.1450.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-06-06Thomas Mullenv4_computers212590.001
2008-03-031997rj7v4_computers212630.020
2008-04-24Wojciech Florekv4_computers212640.041
2008-06-13ITSv4_computers212691.236


ECM factoring results:
No ECM results for M48380999


Lucas-Lehmer results:
No L-L results for M48380999


PRP results:
No PRP results for M48380999


CERT results:
No CERT results for M48380999


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
269
264
263
259
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