is 2 50645029 - 1
has 15245673 decimal digits
takes 92.779 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
Actual27218.883163.8889 %----18.883163.8889 %
Target27337.769664.3836 %340000550000008.81373.7923 %46.583465.7342 %
Difference-1-18.8866-0.4947 %-340000-55000000-8.8137-3.7923 %-27.7003-1.8454 %

Known prime factors (2 factors, 149.8 bits, 0.00029570% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5064502956617935070015158583992272.26255896833497731
3 × 23 × 2503 × 5987 × 54059
2011-12-1359875405927.6760.02290.0324
506450292132196003325155138331932477.4972105039769377124
22 × 3 × 232 × 379 × 2549 × 343253
2011-12-1325493432531,204.00.05610.0928

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-12-13James Heinrichi7-92046149.7581.3150.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-10-15ANONYMOUSv4_computers212532.37000e-5
2000-02-09ANONYMOUSv4_computers212544.74000e-5
2000-04-12ANONYMOUSv4_computers212560.000
2001-04-15ANONYMOUSv4_computers212570.000
2002-01-08ANONYMOUSv4_computers212580.001
2003-08-25ANONYMOUSv4_computers212590.001
2003-11-08ANONYMOUSv4_computers212600.002
2008-09-07DerekManual testing212640.037
2008-11-05tmorrowManual testing212692.287
2011-11-23Kyle AskineManual testing2692702.361
2011-11-25Jerry HallettManual testing2702714.722
2011-11-27XyzzyManual testing2712729.443


ECM factoring results:
No ECM results for M50645029


Lucas-Lehmer results:
No L-L results for M50645029


PRP results:
No PRP results for M50645029


CERT results:
No CERT results for M50645029


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
272
271
270
269
264
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