is 2 35786497 - 1
has 10772810 decimal digits
takes 44.733 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LB74ECF250069E360double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27113.359263.3803 %50000090000001.74564.4690 %15.104865.0168 %
Target27113.359263.3803 %260000400000004.39564.0170 %17.754864.8513 %
Difference---+240000-31000000-2.6500+0.4520%-2.6500+0.1655 %

Known prime factors (1 factor, 92.0 bits, 0.00025713% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3578649750169403582976111190236195532892.01970095437928691527408
24 × 3 × 7 × 1669 × 3389 × 5303 × 6955061
2015-07-105303695506154,524,4940.69591.2828

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2006-10-01Mike VWv4_computers485000485000--0.8791.927%
2015-07-10HBendtzManual testing50000090000001222892.0191.8394.469%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2004-07-13AxelFoxv4_computers212600.002
2006-02-15ANONYMOUSv4_computers212691.671
2014-09-09LaurVManual testing2692703.341
2014-09-23tigreroarsManual testing2702716.682


ECM factoring results:
No ECM results for M35786497


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2006-11-28Mike VWv4_computersB74ECF250069E36044.73


PRP results:
No PRP results for M35786497


CERT results:
No CERT results for M35786497


P-1 factor-bounds graph:
B1 = 500000, B2 = 9000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 485000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
107
TF factor-bounds graph:
271
270
269
260
this exponent TF target: 71
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00