is 2 75143573 - 1
has 22620470 decimal digits
takes 207.749 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275101.830564.0000%645000122550005.12143.6364%106.952065.3091%1.3091%
PrimeNet2703.179961.4286%320000140000004.27075.5587%7.450663.5726%2.1441%
GPU7227450.914163.5135%500000180000005.82664.1840%56.740765.0401%1.5266%
Difference+1+50.9164+0.4865%+145000-5745000-0.7052-0.5476%+50.2113+0.2690%+0.2690%

Known prime factors (2 factors, 200.5 bits, 0.00026678% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
75143573106167019786092729993145692683.13570642781243641908
22 × 32 × 7 × 1289 × 38069 × 5712719
2015-12-0438069571271941,2371.39202.3304
7514357320947513576396530512193556557956029736117.3341393832681897926953260098276
22 × 7 × 23 × 113 × 409 × 5039 × 18713 × 577807 × 859513
2015-12-045778078595132.133e+92.37784.7141

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
7514357322239350883347365402601645318427930663224894901833
17406066993
61200.469
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2015-12-04T19:33:29Jwb52zClay6450001225500061200.4695.121415.510.243.636%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-07-06T00:00:00Marzbugv4_computers21263--0.021--
2004-04-20T00:00:00Marzbugv4_computers21263--0.021--
2004-11-22T00:00:00Marzbugv4_computers21265--0.097--
2004-12-23T00:00:00Marzbugv4_computers21265--0.097--
2005-01-10T00:00:00Marzbugv4_computers21265--0.097--
2010-07-29T19:49:00spazCompaq_SR1200NX265266--0.099--
2010-08-01T04:41:00ANONYMOUShuey266267--0.199--
2010-08-03T03:56:00eon_blue_apocalypseWooba-Gooba267268--0.398--
2010-08-06T06:25:00unconnecteddc2268269--0.796--
2013-05-17T23:41:00SMoffatManual testing269270--1.591--
2014-03-15T15:36:00SMoffatManual testing270271--3.182--
2015-08-31T02:45:00Judge HaleManual testing271272--6.365--
2015-11-30T06:20:061997rj7Manual testing272273--12.73--
2015-11-30T06:20:061997rj7Manual testing273274--25.46--
2015-12-03T00:14:02dh1Manual testing274275--50.92--


ECM factoring results:
No ECM results for M75143573


Lucas-Lehmer results:
No L-L results for M75143573


PRP results:
No PRP results for M75143573


P-1 factor-bounds graph:
B1 = 645000, B2 = 12255000 (P-1 stage 2)
B1 = 645000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
275
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272
271
270
269
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2100
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2120
Last modified: 2015-12-04T19:33:29+00:00