is 2 699943 - 1
has 210704 decimal digits
takes 0.014 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LE06AE3419C53CE9Ddouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26742.451970.1493%100000002000000000.58949.0643%43.041372.8550%2.7058%
PrimeNet2400.000050.0000%65002600000.000621.4734%0.000660.7367%10.7367%
GPU722440.000054.5455%120004500000.001016.4999%0.001062.0454%7.4999%
Difference+23+42.4519+15.6038%+9988000+199550000+0.5883-7.4356%+43.0402+10.8096%+10.8096%

Known prime factors (1 factor, 77.2 bits, 0.01102562% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6999431703777988528112750586872477.173121708338288125801
277 × 439380282628613
2013-12-0127743938028262861387,279693,2571,294,810

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-01-02T00:00:00ANONYMOUSv4_computers2000200000---0.000--0.196%
2002-01-28T00:00:00ANONYMOUSv4_computers4096409600---0.001--0.420%
2002-03-16T00:00:00ANONYMOUSv4_computers8192819200---0.002--0.761%
2002-05-11T00:00:00ANONYMOUSv4_computers163841638400---0.003--1.240%
2002-07-14T00:00:00ANONYMOUSv4_computers327683276800---0.006--1.865%
2002-10-26T00:00:00ANONYMOUSv4_computers655366553600---0.012--2.631%
2003-06-30T00:00:00ANONYMOUSv4_computers13107213107200---0.024--3.524%
2011-07-19T21:09:00Jocelyn LaroucheManual testing316572316572---0.009--1.397%
2012-02-17T11:13:00Jocelyn LaroucheManual testing527620527620---0.015--1.767%
2012-04-25T04:40:00kurlysmile10000000200000000---0.589--9.064%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-02-23T00:00:00ANONYMOUSv4_computers253254--0.002--
2022-03-07T09:21:31LordJuliusManual testing254255--0.003--
2001-04-01T00:00:00ANONYMOUSv4_computers21256--0.014--
2001-12-22T00:00:00ANONYMOUSv4_computers21257--0.027--
2003-09-29T00:00:00ANONYMOUSv4_computers21258--0.055--
2008-10-15T03:31:00Sturle Sundehoffman.ifi258259--0.055--
2008-10-15T04:10:00Sturle Sundehoffman.ifi259260--0.110--
2010-06-30T04:30:00Architects Cubedm1_f2260261--0.219--
2013-02-17T04:30:00HBendtzHAL9007261262--0.439--


ECM factoring results:

Old Calculation Method

Total ECM effort:11.277 GHz-days
Estimated T-Level:25.344
DigitsB1CurvesCompleteFacMiss
2011000324 / 1003.2403.853%
2550000324 / 2801.15731.373%
3025000044 / 6400.06993.351%

New Calculation Method

Total ECM effort:11.277 GHz-days
Estimated T-Level:25.344
DigitsB1CompleteFacMiss
201100012.6990.000%
25500001.34626.016%
302500000.10789.809%
3510000000.00799.296%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
5000050000002806.315
25000025000000444.962


Lucas-Lehmer results:
No L-L results for M699943


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-27T15:50:47Oliver KruseGTX-1
170377798852811275058687
AAC548CD1EDCE5__no
2017-09-28T09:45:17Oliver KruseManual testing
170377798852811275058687
AAC548CD1EDCE5__no
2017-11-08T20:11:27kkmrkkblmbrbkc4.large
170377798852811275058687
AAC548CD1EDCE5__no
2020-04-20T07:03:49Oliver KruseAddPrpType5
170377798852811275058687
8B3E73408B484F__no


P-1 factor-bounds graph:
B1 = 10000000, B2 = 200000000 (P-1 stage 2)
B1 = 10000000 (P-1 stage 1)
B1 = 131072, B2 = 13107200 (P-1 stage 2)
B1 = 527620 (P-1 stage 1)
B1 = 65536, B2 = 6553600 (P-1 stage 2)
B1 = 316572 (P-1 stage 1)
B1 = 32768, B2 = 3276800 (P-1 stage 2)
B1 = 131072 (P-1 stage 1)
B1 = 16384, B2 = 1638400 (P-1 stage 2)
B1 = 65536 (P-1 stage 1)
B1 = 8192, B2 = 819200 (P-1 stage 2)
B1 = 32768 (P-1 stage 1)
B1 = 4096, B2 = 409600 (P-1 stage 2)
B1 = 16384 (P-1 stage 1)
B1 = 2000, B2 = 200000 (P-1 stage 2)
B1 = 8192 (P-1 stage 1)
B1 = 4096 (P-1 stage 1)
B1 = 2000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-03-07T09:21:31+00:00