is 2754249-1
has 227,052 decimal digits
takes 0.015 GHz-days to do one L-L test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2632.116068.2540%500,00015,000,0000.03746.6823%2.153474.9363%24.9363%
PrimeNet2400.000050.0000%7,000280,0000.000621.9701%0.000671.9701%21.9701%
GPU722440.000054.5455%12,000450,0000.001016.6410%0.001071.1864%16.6410%
Difference+19+2.1160+13.7085%+488,000+14,550,000+0.0363-9.9587%+2.1524+3.7498%+3.7498%

Known prime factors (4 factors, 290.4 bits, 0.03849693% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
754249108611857926.69572
23 × 32
99-1.204e-112.606e-75.304e-7
754249642424043271135.90342587
37 × 1151
371,1512008-07-167.392e-92.829e-63.404e-6
75424915868296130265380729780012580.3921051926892197761000
23 × 53 × 127 × 8282888914943
1278.28289e+122017-03-24608,54213,06924,409
75424923102215162247569415000613318856185721873560145147.373153147138161585692622732103846714982200
23 × 33 × 52 × 11 × 157 × 599 × 2069 × 10159 × 19031 × 44971 × 352481 × 4323691
352,4814,323,6912014-10-062.432e+110.01650.0208

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
75424969774868321003052391962.597
75424917234851101340369038734220875785733107.087
75424910194174959810780506531217321821032736116.295
7542491107208272967949239433756141793548983204723944142.990
75424925091744895852648078996202686999034471895728816621
057
53174.067
75424914841418473024582604314682597829404563096056159151
345527
56183.276
75424916119540208693043233045138893158357988021363288217
15181736113639
64209.970
75424936659279145965131056925266837376776083436726249202
3623050081908513601
69227.765
75424939816323843246469413410259414280086590952497799265
133387337400085766314367057
77254.460
75424923550802332314512000025378455891234051918856554224
723204418798937198579020751527
80263.668
75424925578963751526102563715404012221395204005414236709
68382542916358278764045205064883055639
88290.363
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2014-10-06T18:22:00alpertronManual testing500,00015,000,0001245147.3730.0370.0300.0756.682%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-07-16T09:25:00J FeitsmaManual testing??35.903111.32278e-90.0322.76688e-9


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,0002405.451
50,0005,000,000410.931
250,00025,000,000444.996


Lucas-Lehmer results:
Exponent "754249" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-27T22:41:59Oliver KruseGTX-1
108611857
64242404327
1586829613026538072978001
231022151622475694150006133188561857218735601
3499A92104FF01D5no
2017-10-05T21:10:10Oliver KruseManual testing
108611857
64242404327
1586829613026538072978001
231022151622475694150006133188561857218735601
3499A92104FF01__no
2017-10-14T03:15:05kkmrkkblmbrbkc4.xlarge3499A92104FF01__no
2020-04-20T22:58:19Oliver KruseAddPrpType5
108611857
64242404327
1586829613026538072978001
231022151622475694150006133188561857218735601
9CDF4C768E381D__no


P-1 factor-bounds graph:
B1 = 500,000, B2 = 15,000,000 (stage 2)
B1 = 500,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-04-20T22:58:19+00:00