is 2 50339503 - 1
has 15153701 decimal digits
takes 92.219 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
Actual2692.371662.3188 %----2.371662.3188 %
Target27337.998964.3836 %340000550000008.81373.7894 %46.812665.7332 %
Difference-4-35.6272-2.0647 %-340000-55000000-8.8137-3.7894 %-44.4410-3.4144 %

Known prime factors (1 factor, 73.2 bits, 0.00014536% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
50339503106575850884323668301532373.174105857074993692
22 × 3 × 112 × 19 × 137 × 4951 × 5657
2010-05-114951565744.5140.01330.0268

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-05-11majdhuffv4_computers2373.1743.8810.000%
2010-07-20majdhuffv4_computers2373.174-0.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-10-07ANONYMOUSv4_computers212532.38000e-5
2000-02-09ANONYMOUSv4_computers212544.77000e-5
2000-04-05ANONYMOUSv4_computers212560.000
2001-04-15ANONYMOUSv4_computers212570.000
2001-12-22ANONYMOUSv4_computers212580.001
2003-08-25ANONYMOUSv4_computers212590.001
2003-11-08ANONYMOUSv4_computers212600.002
2008-10-04sasaki3v4_computers212691.188


ECM factoring results:
No ECM results for M50339503


Lucas-Lehmer results:
No L-L results for M50339503


PRP results:
No PRP results for M50339503


CERT results:
No CERT results for M50339503


P-1 factor-bounds graph:
102
103
104
102
103
104
TF factor-bounds graph:
269
260
259
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00