is 2 2694173 - 1
has 811027 decimal digits
takes 0.208 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L3A6D96918BD6AA42double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26711.029067.1642 %2000000600000000.57797.7060 %11.606869.6945 %
Target2630.592465.0794 %1400011000000.00821.6606 %0.600665.6593 %
Difference+4+10.4366+2.0848 %+1986000+58900000+0.5697+6.0454%+11.0062+4.0352 %

Known prime factors (1 factor, 62.6 bits, 0.00232515% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
269417372044327240232995031962.6441337039737987
133153 × 10041379
2013-01-04133153100413790.22800.07540.1144

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-11-08ANONYMOUSv4_computers2048204800--0.0010.675%
2003-11-28Team Prime Ribv4_computers15000217500--0.0031.689%
2010-12-22JossManual testing2000020000--0.0020.632%
2010-12-26JossManual testing3000030000--0.0040.835%
2011-01-31markrtiny10500023100006--0.0284.517%
2019-07-04alpertronManual testing20000006000000012
skipped known factor: 7204432724023299503
---10.638%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2009-01-31Sturle Sundegnom.ifi2602610.057
2012-05-03markroldgamer2612620.114


ECM factoring results:
Total ECM effort:0.687 GHz-days
Estimated T-Level:1.154
DigitsB1CompleteFacMiss
20110000.23179.392%
25500000.02197.887%
302500000.00199.865%


ECM Summary

B1B2factorcurvesGHz-days
10.202
50000500000060.485


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-04-23MadPoov4_computers3A6D96918BD6AA420.208


PRP results:
dateuseridcompidcofactorsres64
2017-10-19Oliver KruseGTX-0
7204432724023299503
A7275302D63043AD
2017-12-04kkmrkkblmbrbkc4.xlarge
7204432724023299503
A7275302D63043AD


CERT results:
No CERT results for M2694173


P-1 factor-bounds graph:
B1 = 2000000, B2 = 60000000 (P-1 stage 2)
B1 = 2000000 (P-1 stage 1)
B1 = 105000, B2 = 2310000 (P-1 stage 2)
B1 = 105000 (P-1 stage 1)
B1 = 30000 (P-1 stage 1)
B1 = 15000, B2 = 217500 (P-1 stage 2)
B1 = 20000 (P-1 stage 1)
B1 = 15000 (P-1 stage 1)
B1 = 2048, B2 = 204800 (P-1 stage 2)
B1 = 2048 (P-1 stage 1)
102
103
104
105
106
107
102
103
104
105
106
107
108
TF factor-bounds graph:
262
261
this exponent TF target: 63
TF double-checked to: 67
ECM T-Level=1.15 ~= -13-bit
250
260
270
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Last modified: 2024-02-29T14:28:04+00:00