is 2 33666701 - 1
has 10134687 decimal digits
takes 39.839 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L5B597E1C2D9A6EB7double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27228.405963.8889 %46000090850001.59563.9886 %30.001565.3292 %
Target27114.200363.3803 %240000350000003.66133.8353 %17.861664.7848 %
Difference+1+14.2056+0.5086 %+220000-25915000-2.0657+0.1533%+12.1399+0.5445 %

Known prime factors (1 factor, 88.5 bits, 0.00026297% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
336667014484009227274016811430251372788.5356659412853183946968
23 × 7 × 35129 × 287821 × 11761417
2018-09-15287821117614173,396,6571.56642.0536

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-12-23ANONYMOUSv4_computers500000500000--0.8581.934%
2018-09-15Architects Cubeda3_bu246000090850001222788.5351.5964.402%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-07-21markrv4_computers212630.029
2003-08-31markrv4_computers212640.058
2003-12-23ANONYMOUSv4_computers212680.888
2013-01-02MikeBerlinManual testing2682705.327
2014-04-14Andrew BManual testing2702717.103
2018-08-26Architects CubedManual testing27127214.21


ECM factoring results:
No ECM results for M33666701


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-06-04Daniel Hermlev4_computers5B597E1C2D9A6EB739.84
2014-10-21elmghariBackup5B597E1C2D9A6EB739.84


PRP results:
No PRP results for M33666701


CERT results:
No CERT results for M33666701


P-1 factor-bounds graph:
B1 = 460000, B2 = 9085000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 460000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
272
271
270
268
264
263
this exponent TF target: 71
TF double-checked to: 67
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270
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290
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Last modified: 2024-03-13T02:15:48+00:00