is 2 1111949 - 1
has 334731 decimal digits
takes 0.033 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L4416A04C4CBB4182double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual271429.946370.4225 %50000002000000000.67156.6137 %430.617772.3787 %
Target2600.138165.0000 %45001100000.00040.6855 %0.138665.2399 %
Difference+11+429.8081+5.4225 %+4995500+199890000+0.6710+5.9282%+430.4792+7.1388 %

Known prime factors (1 factor, 96.7 bits, 0.00869909% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11119491313592296021399015738984351833096.72959067110812699099317459
3 × 7 × 91842631 × 30625424510209
2016-04-0491842631306254245102091.443e+1071,712133,932

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2002-03-10Jossv4_computers15000168750--0.0012.054%
2012-10-23kurlysmile5000001000000012--0.0448.574%
2015-03-05mikrMSI500000020000000012--0.69515.009%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-12-01ANONYMOUSv4_computers212570.017
2003-04-27ANONYMOUSv4_computers212580.035
2016-02-23Mark RoseManual testing2582600.104
2008-12-25Architects Cubedm1_tt2602610.138
2011-05-09XyzzyManual testing2612620.276
2012-10-11dbaughManual testing2622630.883
2014-12-22Matthias WurtingerManual testing2632641.766
2014-12-30lycornManual testing2642653.360
2015-06-03omylistManual testing2652666.720
2016-01-04ramgeisManual testing26626713.44
2016-01-05ramgeisManual testing26726826.88
2016-01-05ramgeisManual testing26826953.76
2016-01-05ramgeisManual testing269270107.5
2016-01-05ramgeisManual testing270271215.1


ECM factoring results:
Total ECM effort:17.547 GHz-days
Estimated T-Level:25.658
DigitsB1CompleteFacMiss
201100014.8080.000%
25500001.62019.795%
302500000.13287.678%
3510000000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002799.72
50000500000020.073
25000025000000447.755


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-04-28ANONYMOUSv4_computers4416A04C4CBB41820.033


PRP results:
dateuseridcompidcofactorsres64
2017-09-29Oliver KruseGTX-1
131359229602139901573898435183
43808909611E2604
2017-10-16Oliver KruseThreadripper-PC
131359229602139901573898435183
43808909611E2604
2018-01-02ATHec2-1xh
131359229602139901573898435183
43808909611E2604


CERT results:
No CERT results for M1111949


P-1 factor-bounds graph:
B1 = 5000000, B2 = 200000000 (P-1 stage 2)
B1 = 5000000 (P-1 stage 1)
B1 = 500000, B2 = 10000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 15000, B2 = 168750 (P-1 stage 2)
B1 = 15000 (P-1 stage 1)
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TF factor-bounds graph:
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this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.66 ~= 69-bit
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Last modified: 2024-02-09T03:30:02+00:00