is 2 50104441 - 1
has 15082940 decimal digits
takes 91.789 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
Actual2692.382862.3188 %----2.382862.3188 %
Target27338.177164.3836 %340000550000008.81373.7871 %46.990965.7324 %
Difference-4-35.7944-2.0647 %-340000-55000000-8.8137-3.7871 %-44.6081-3.4135 %

Known prime factors (1 factor, 75.9 bits, 0.00015150% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
50104441708340382071856930830012375.907706863870681500
22 × 53 × 7 × 48661 × 4150369
2010-11-15486614150369282.300.72291.1219

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-11-15S00030vd022375.9074.1130.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-10-07ANONYMOUSv4_computers212532.39000e-5
2000-02-09ANONYMOUSv4_computers212544.79000e-5
2000-04-05ANONYMOUSv4_computers212560.000
2001-03-25ANONYMOUSv4_computers212570.000
2001-11-10ANONYMOUSv4_computers212580.001
2003-11-08ANONYMOUSv4_computers212600.002
2004-03-01ANONYMOUSv4_computers212610.003
2008-09-23precius1v4_computers212691.193


ECM factoring results:
No ECM results for M50104441


Lucas-Lehmer results:
No L-L results for M50104441


PRP results:
No PRP results for M50104441


CERT results:
No CERT results for M50104441


P-1 factor-bounds graph:
103
104
105
103
104
105
106
107
TF factor-bounds graph:
269
261
260
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00