is 2 77169923 - 1
has 23230462 decimal digits
takes 217.576 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
Actual27449.577263.5135 %710000136675005.78874.1552 %55.365965.0296 %
Target27449.577263.5135 %5000009000000021.97904.1976 %71.556165.0451 %
Difference---+210000-76332500-16.1903-0.0425 %-16.1903-0.0155 %

Known prime factors (1 factor, 74.8 bits, 0.00009697% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
77169923336392490147677025864732374.833217955698975932
22 × 3 × 23 × 419597 × 1882031
2015-06-04419597188203194.1342.04113.4911

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2015-06-04bamdesk167100001366750022374.8335.7894.155%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-08-17ANONYMOUSv4_computers212531.55000e-5
2003-12-02ANONYMOUSv4_computers212610.002
2008-08-26JohnHa0Manual testing212650.048
2010-09-23ANONYMOUSMonsterMachine2652680.678
2010-09-29Per Jessenbeaufort12682690.775
2010-10-03Per Jessenbeaufort12692701.549
2012-12-28Florimond C.arm.durga2702713.099
2015-05-25NickOfTimeManual testing27127443.38


ECM factoring results:
No ECM results for M77169923


Lucas-Lehmer results:
No L-L results for M77169923


PRP results:
No PRP results for M77169923


CERT results:
No CERT results for M77169923


P-1 factor-bounds graph:
B1 = 710000, B2 = 13667500 (P-1 stage 2)
B1 = 710000 (P-1 stage 1)
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TF factor-bounds graph:
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this exponent TF target: 74
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00