is 2 990599 - 1
has 298201 decimal digits
takes 0.024 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L5E9765C2343CEDFFdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26729.995970.1493 %100000005000000001.290310.6378 %31.286373.3247 %
Target2440.000054.5455 %1600032500000.006818.4588 %0.006862.9358 %
Difference+23+29.9959+15.6038 %+9984000+496750000+1.2836-7.8209 %+31.2795+10.3889 %

Known prime factors (1 factor, 70.6 bits, 0.00712403% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
99059917532531772989427476792270.571884945965672761
3 × 294981988557587
2014-01-133294981988557587241.22565,1121,055,471

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2002-01-08ANONYMOUSv4_computers2000200000--0.00012.321%
2002-03-03ANONYMOUSv4_computers4096409600--0.00115.251%
2002-05-05ANONYMOUSv4_computers8192819200--0.00218.054%
2002-08-10ANONYMOUSv4_computers32768327680012--0.00723.539%
2003-01-25ANONYMOUSv4_computers65536655360012--0.01526.206%
2003-09-09ANONYMOUSv4_computers1310721310720012--0.02928.813%
2011-05-31JossManual testing200000200000--0.00715.693%
2011-06-13JossManual testing400000400000--0.01417.856%
2012-02-06JossManual testing672633672633--0.02419.475%
2012-02-14c10ck3raleman12500001250000--0.04421.394%
2013-10-24alpertronManual testing1000000050000000012--1.29041.465%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-07-12ANONYMOUSv4_computers212550.005
2000-10-22ANONYMOUSv4_computers212560.010
2001-12-01ANONYMOUSv4_computers212570.019
2003-07-06ANONYMOUSv4_computers212580.039
2022-03-07LordJuliusManual testing258260
2010-05-13Architects Cubeda3_bu22602610.155
2013-12-08Jerry HallettManual testing2612620.310
2013-12-08Jerry HallettManual testing2622630.991


ECM factoring results:
Total ECM effort:14.115 GHz-days
Estimated T-Level:25.650
DigitsB1CompleteFacMiss
201100014.5380.000%
25500001.59520.295%
302500000.13087.815%
3510000000.00999.137%


ECM Summary

B1B2factorcurvesGHz-days
10.199
5000050000002747.666
25000025000000446.250


Lucas-Lehmer results:
No L-L results for M990599


PRP results:
dateuseridcompidcofactorsres64
2017-09-28Oliver KruseGTX-3
1753253177298942747679
15D3E83AE32AF82A
2017-10-16kkmrkkblmbrbkc4.xlarge
1753253177298942747679
15D3E83AE32AF82A
2020-04-25Oliver KruseAddPrpType5
1753253177298942747679
9DC36D7E403EE20C


CERT results:
No CERT results for M990599


P-1 factor-bounds graph:
B1 = 10000000, B2 = 500000000 (P-1 stage 2)
B1 = 10000000 (P-1 stage 1)
B1 = 1250000 (P-1 stage 1)
B1 = 131072, B2 = 13107200 (P-1 stage 2)
B1 = 672633 (P-1 stage 1)
B1 = 65536, B2 = 6553600 (P-1 stage 2)
B1 = 400000 (P-1 stage 1)
B1 = 32768, B2 = 3276800 (P-1 stage 2)
B1 = 200000 (P-1 stage 1)
B1 = 131072 (P-1 stage 1)
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 = 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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1010
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TF factor-bounds graph:
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262
261
260
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255
this exponent TF target: 44
TF double-checked to: 67
ECM T-Level=25.65 ~= 69-bit
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Last modified: 2024-03-03T02:29:32+00:00