is 2 75246617 - 1
has 22651489 decimal digits
takes 208.034 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
Actual2670.394959.7015 %----0.394959.7015 %
Target27450.844463.5135 %5000009000000021.55224.1847 %72.396665.0403 %
Difference-7-50.4495-3.8120 %-500000-90000000-21.5522-4.1847 %-72.0017-5.3389 %

Known prime factors (1 factor, 67.1 bits, 0.00008922% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
752466171620385528965992242012167.1351076716531300
22 × 52 × 10767165313
2010-10-1825107671653130.49632,351.74,392.3

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-10-18ComputerraRUv4_computers2167.1355.1620.000%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-02-05ComputerraRUv4_computers??
67.135
21
2003-08-25Marzbugv4_computers212630.013
2005-01-20Marzbugv4_computers212640.026
2010-07-31JMGarciajmgarcia-W12R2642650.050
2010-10-08ComputerraRUv4_computers212660.099
2010-10-13ComputerraRUv4_computers212670.199
2011-02-05ComputerraRUv4_computers2652670.298


ECM factoring results:
No ECM results for M75246617


Lucas-Lehmer results:
No L-L results for M75246617


PRP results:
No PRP results for M75246617


CERT results:
No CERT results for M75246617


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
267
266
265
264
263
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00