is 2 3010349 - 1
has 906206 decimal digits
takes 0.256 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LC4985748B92151A3double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26819.800067.6471%10000001199121000.92297.4582%20.722970.0600%2.4130%
PrimeNet2600.051063.3333%120002200000.00292.5167%0.053964.2561%0.9228%
GPU722641.182465.6250%130002000000.00291.3879%1.185266.1021%0.4771%
Difference+4+18.6176+2.0221%+987000+119712100+0.9201+6.0703%+19.5377+3.9579%+3.9579%

Known prime factors (1 factor, 68.8 bits, 0.00228635% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
30103495236831418601766794012168.82786980470015300
22 × 3 × 52 × 3709 × 78170639
2009-04-0537097817063934.7590.52600.9817

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-12-23T00:00:00Team Prime Ribv4_computers1000010000---0.001--0.146%
2004-02-07T00:00:00ANONYMOUSv4_computers2048204800---0.002--0.248%
2020-06-13T15:13:19Jocelyn LaroucheManual testing30103430103496---0.055--3.265%
2022-01-22T13:05:02Jocelyn LaroucheManual testing1000000119912100-
skipped known factor: 523683141860176679401
--0.923--7.458%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1997-11-21T00:00:00bjetv4_computers21259--0.026--
1999-05-09T00:00:00ANONYMOUSv4_computers21260--0.051--
2009-01-26T07:54:00Jayson Kingatlas260261--0.051--
2022-03-10T22:41:21LordJuliusManual testing261263--0.428--
2022-03-10T22:41:21LordJuliusManual testing263264--0.652--
2022-03-10T22:41:21LordJuliusManual testing264265--1.241--
2021-03-07T12:29:07Jocelyn LaroucheManual testing265266--2.482--
2021-03-08T12:47:38Jocelyn LaroucheManual testing266267--4.965--
2021-03-08T20:06:54Jocelyn LaroucheManual testing267268--9.93--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CurvesCompleteFacMiss

New Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CompleteFacMiss


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1997-11-21T00:00:00bjetv4_computersC4985748B92151A30.256
1999-10-29T00:00:00TeraTismv4_computersC4985748B92151A30.256


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-27T11:23:19Oliver KruseGTX-2
523683141860176679401
83ED4A9BAA2B8D__no
2017-12-10T10:55:49kkmrkkblmbrbkc4.xlarge
523683141860176679401
83ED4A9BAA2B8D__no


P-1 factor-bounds graph:
B1 = 1000000, B2 = 119912100 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 301034, B2 = 3010349 (P-1 stage 2)
B1 = 301034 (P-1 stage 1)
B1 = 2048, B2 = 204800 (P-1 stage 2)
B1 = 10000 (P-1 stage 1)
B1 = 2048 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
267
266
265
264
263
261
260
259
250
260
270
280
290
2100
Last modified: 2022-03-10T22:41:21+00:00