is 2 3050029 - 1
has 918151 decimal digits
takes 0.260 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP6037A342D70A3283verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26819.542467.6471%30000001000000001.02248.0350%20.564870.2466%2.5996%
PrimeNet2600.050463.3333%120002200000.00292.5228%0.053264.2584%0.9250%
GPU722641.167065.6250%140002200000.00311.4649%1.170166.1286%0.5036%
Difference+4+18.3754+2.0221%+2986000+99780000+1.0193+6.5701%+19.3947+4.1180%+4.1180%

Known prime factors (1 factor, 77.9 bits, 0.00255289% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
30500292750180001253403753415772477.86445084489381140372
22 × 23 × 83 × 5904202380977
2020-10-1483590420238097713,23339,69974,146

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-02-07T00:00:00ANONYMOUSv4_computers2048204800---0.002--0.249%
2010-10-04T09:16:00markrtiny1100002447500---0.029--2.665%
2016-03-15T11:43:54Squeeky_SquirrelP4_2600205000568875012---0.062--3.572%
2017-09-23T18:26:21mikrMSI300000010000000012---1.022--8.035%
2021-01-14T13:16:35Jocelyn LaroucheManual testing305002305002---0.038--1.534%
2021-01-16T21:12:24Jocelyn LaroucheManual testing30500230500296---0.056--3.287%
2022-01-23T08:35:01Jocelyn LaroucheManual testing1055002119912100---0.929--7.512%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-06-03T00:00:00ANONYMOUSv4_computers21260--0.050--
2009-02-12T06:04:00Sturle Sundegouffy.ifi260261--0.050--
2011-03-17T13:03:00Sid & AndyBuzz261262--0.101--
2013-01-07T13:54:00dbaughManual testing262263--0.322--
2015-02-07T18:28:00VictordeHollanderManual testing263264--0.644--
2015-02-07T18:28:00VictordeHollanderManual testing264265--1.225--
2015-06-06T19:31:00ThaManual testing265266--2.450--
2017-05-07T02:13:05Gordon SpenceManual testing266267--4.900--
2018-07-25T22:30:18ramgeisManual testing267268--9.80--


ECM factoring results:

Old Calculation Method

Total ECM effort:1.980 GHz-days
Estimated T-Level:0.850
DigitsB1CurvesCompleteFacMiss
201100017 / 1000.17084.294%
255000017 / 2800.06194.099%

New Calculation Method

Total ECM effort:1.980 GHz-days
Estimated T-Level:0.850
DigitsB1CompleteFacMiss
20110000.54857.788%
25500000.05095.165%
302500000.00399.695%


ECM Summary

B1B2factorcurvesGHz-days
500005000000151.747
50000500000020.233


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-05-23T00:00:00ANONYMOUSv4_computers5EBEC3E36B1BE9__0.260


PRP results:
dateuseridcompidcofactorsres64PRP
2020-10-14T20:06:44ATHec2-PRPCF
275018000125340375341577
6037A342D70A3283no


P-1 factor-bounds graph:
B1 = 3000000, B2 = 100000000 (P-1 stage 2)
B1 = 1055002, B2 = 119912100 (P-1 stage 2)
B1 = 3000000 (P-1 stage 1)
B1 = 1055002 (P-1 stage 1)
B1 = 205000, B2 = 5688750 (P-1 stage 2)
B1 = 305002, B2 = 3050029 (P-1 stage 2)
B1 = 305002 (P-1 stage 1)
B1 = 110000, B2 = 2447500 (P-1 stage 2)
B1 = 205000 (P-1 stage 1)
B1 = 110000 (P-1 stage 1)
B1 = 2048, B2 = 204800 (P-1 stage 2)
B1 = 2048 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-01-23T08:35:01+00:00