is 2 35869331 - 1
has 10797745 decimal digits
takes 44.837 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L7AB15AE5D9857FCAdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27226.661663.8889 %50000090000001.74564.0530 %28.407265.3525 %
Target27113.328363.3803 %260000400000004.39564.0182 %17.723964.8517 %
Difference+1+13.3333+0.5086 %+240000-31000000-2.6500+0.0348%+10.6833+0.5007 %

Known prime factors (1 factor, 89.6 bits, 0.00024979% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
358693319360800673502940019025537372789.59713048474020191427628
22 × 709 × 47417 × 106823 × 908353
2015-07-171068239083535,332,1260.27280.3940

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2007-03-20ANONYMOUSv4_computers620000620000--1.1242.134%
2015-07-17HBendtzManual testing50000090000001222789.5971.8394.470%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-06-30Thav4_computers212580.001
2004-09-02ANONYMOUSv4_computers212600.002
2006-02-15msslabv4_computers212670.417
2012-04-16Carsten KossendeyManual testing2672680.833
2013-04-15Carsten KossendeyManual testing2682691.667
2014-09-23LaurVManual testing2692703.333
2014-10-28MikeBerlinManual testing27027220.00


ECM factoring results:
No ECM results for M35869331


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2008-03-11ANONYMOUSv4_computers7AB15AE5D9857FCA44.84


PRP results:
No PRP results for M35869331


CERT results:
No CERT results for M35869331


P-1 factor-bounds graph:
B1 = 500000, B2 = 9000000 (P-1 stage 2)
B1 = 620000 (P-1 stage 1)
B1 = 500000 (P-1 stage 1)
104
105
106
104
105
106
107
TF factor-bounds graph:
272
270
269
268
267
260
258
this exponent TF target: 71
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00