is 2 48333217 - 1
has 14549749 decimal digits
takes 83.912 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
Actual2692.470162.3188 %----2.470162.3188 %
Target27219.786363.8889 %340000550000008.35274.1689 %28.138965.3943 %
Difference-3-17.3162-1.5700 %-340000-55000000-8.3527-4.1689 %-25.6689-3.0755 %

Known prime factors (1 factor, 93.3 bits, 0.00019297% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
48333217119411299306639299257676611272993.270123529227639285110339
283 × 11131 × 26083 × 28901 × 52021
2011-01-26289015202141,502,4790.07590.1481

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-01-26Craig2009_Vista2993.2701.3850.000%


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
2008-05-10precius1v4_computers212691.237


ECM factoring results:
No ECM results for M48333217


Lucas-Lehmer results:
No L-L results for M48333217


PRP results:
No PRP results for M48333217


CERT results:
No CERT results for M48333217


P-1 factor-bounds graph:
103
104
105
103
104
105
TF factor-bounds graph:
269
264
263
259
this exponent TF target: 72
TF double-checked to: 67
250
260
270
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290
2100
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Last modified: 2024-03-13T02:15:48+00:00