is 2 48143419 - 1
has 14492614 decimal digits
takes 83.582 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
Actual2704.963362.8571 %----4.963362.8571 %
Target27219.864363.8889 %340000550000008.35274.1668 %28.216965.3936 %
Difference-2-14.9010-1.0317 %-340000-55000000-8.3527-4.1668 %-23.2536-2.5364 %

Known prime factors (1 factor, 70.5 bits, 0.00014645% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4814341916762887799069915164492270.50617409324210096
24 × 3 × 7 × 13 × 19 × 2089 × 100417
2009-10-2420891004177.58230.01870.0257

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-10-24Rossco12270.5061.3470.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-06-06Thomas Mullenv4_computers212590.001
2003-06-09Thomas Mullenv4_computers212600.002
2003-09-21Thomas Mullenv4_computers212610.003
2003-10-14Thomas Mullenv4_computers212620.006
2008-05-10binarydigitsv4_computers212702.483


ECM factoring results:
No ECM results for M48143419


Lucas-Lehmer results:
No L-L results for M48143419


PRP results:
No PRP results for M48143419


CERT results:
No CERT results for M48143419


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
270
262
261
260
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