is 2 40245461 - 1
has 12115091 decimal digits
takes 59.320 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
Actual2681.481061.7647 %----1.481061.7647 %
Target27223.762563.8889 %280000450000005.80573.8086 %29.568365.2642 %
Difference-4-22.2815-2.1242 %-280000-45000000-5.8057-3.8086 %-28.0872-3.4995 %

Known prime factors (1 factor, 71.9 bits, 0.00017876% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4024546145450338048343135662872271.94556466414993163
72 × 107 × 56377 × 191033
2009-08-275637719103317.0830.13620.2452

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-08-27curtiscwcm424--12l2271.9450.9820.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2006-08-25ANONYMOUSv4_computers212620.008
2006-12-18korvav4_computers212680.743


ECM factoring results:
No ECM results for M40245461


Lucas-Lehmer results:
No L-L results for M40245461


PRP results:
No PRP results for M40245461


CERT results:
No CERT results for M40245461


P-1 factor-bounds graph:
103
104
105
103
104
105
106
TF factor-bounds graph:
268
262
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