is 2 7659811 - 1
has 2305833 decimal digits
takes 1.753 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LEFE809AD7D49C8F0double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2673.879265.6716 %400005500000.02251.9474 %3.901766.3402 %
Target2673.879265.6716 %5000055000000.11512.4457 %3.994366.5112 %
Difference----10000-4950000-0.0926-0.4983 %-0.0926-0.1710 %

Known prime factors (1 factor, 69.7 bits, 0.00091049% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
76598119868960593500902329532169.74164420392314516
22 × 7 × 31 × 61 × 2063 × 589759
2012-07-30206358975920.0320.01130.0199

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2002-03-24McAlisterv4_computers40000550000--0.0221.947%
2012-07-30NesowaWork2169.7410.0590.000%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-08-09ANONYMOUSv4_computers212610.020
1998-08-24ANONYMOUSv4_computers212630.168


ECM factoring results:
No ECM results for M7659811


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-07-12ANONYMOUSv4_computersEFE809AD7D49C8F01.753
2002-04-20McAlisterv4_computersEFE809AD7D49C8F01.753


PRP results:
dateuseridcompidcofactorsres64
2018-04-19Oliver KruseGTX-7
986896059350090232953
00FDFEC19DFA1277
2019-08-14marssystemssystem11
986896059350090232953
00FDFEC19DFA1277


CERT results:
No CERT results for M7659811


P-1 factor-bounds graph:
B1 = 40000, B2 = 550000 (P-1 stage 2)
B1 = 40000 (P-1 stage 1)
102
103
104
105
102
103
104
105
106
TF factor-bounds graph:
263
261
this exponent TF target: 67
TF double-checked to: 67
250
260
270
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Last modified: 2024-03-13T02:15:48+00:00