is 2 11070053 - 1
has 3332419 decimal digits
takes 3.616 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L6B35CC48FCF96545double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2672.684264.1791 %25000050000000.24104.7047 %2.925265.8644 %
Target2685.384364.7059 %8000095000000.28102.8719 %5.665365.7195 %
Difference-1-2.7002-0.5268 %+170000-4500000-0.0400+1.8328%-2.7402+0.1449 %

Known prime factors (1 factor, 68.8 bits, 0.00062157% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
110700535168366922335405795032168.80823343912275467
7 × 23 × 144993243947
2017-04-20231449932439475.38433,741.86,988.6

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2000-10-07ANONYMOUSv4_computers160000160000--0.0761.386%
2014-03-23ThaRiet-Ubuntu25000050000006--0.2414.246%
2023-02-06Kevin_9611800002499750--0.1183.053%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-08ANONYMOUSv4_computers212640.177
2013-11-28lycornManual testing2642650.338
2015-02-20NumberwangManual testing2652660.675
2015-12-18VictordeHollanderManual testing2662671.350


ECM factoring results:
Total ECM effort:1.011 GHz-days
Estimated T-Level:0.385
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000010.514
50000500000010.497


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2001-01-08ANONYMOUSv4_computers6B35CC48FCF965453.616
2004-02-14ivanv4_computers6B35CC48FCF965453.616


PRP results:
dateuseridcompidcofactorsres64
2021-05-07XZT800G2Mini3
516836692233540579503
0420E7139D407325


CERT results:
dateuseridcompid
2021-05-07TheGazManzoo


P-1 factor-bounds graph:
B1 = 250000, B2 = 5000000 (P-1 stage 2)
B1 = 250000 (P-1 stage 1)
B1 = 80000, B2 = 2499750 (P-1 stage 2)
B1 = 160000 (P-1 stage 1)
B1 = 80000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
266
265
264
this exponent TF target: 68
TF double-checked to: 67
ECM T-Level=0.38 ~= -15-bit
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Last modified: 2024-02-09T03:30:02+00:00