is 2 1150609 - 1
has 346368 decimal digits
takes 0.034 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LF0B0BA17FA5B0E92double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26725.824568.6567%500000100000000.04374.4271%25.868270.0443%1.3876%
PrimeNet2560.008362.5000%5000700000.00042.1632%0.008763.3112%0.8112%
GPU722600.133565.0000%5000260000.00030.7709%0.133865.2698%0.2698%
Difference+7+25.6910+3.6567%+495000+9974000+0.0435+3.6562%+25.7345+4.7745%+4.7745%

Known prime factors (1 factor, 74.8 bits, 0.00650160% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1150609330709853325122406751512374.80814371078851509175
33 × 52 × 37 × 575418572633
2014-03-08375754185726334,285.91,347.32,516.4

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-03-16T00:00:00Jocelyn Larouchev4_computers10001000---4.29764e-5--0.005%
2002-03-16T00:00:00Jocelyn Larouchev4_computers1000100000---0.000--0.091%
2002-03-24T00:00:00Jocelyn Larouchev4_computers20000200000---0.001--0.832%
2002-06-02T00:00:00ANONYMOUSv4_computers500001000000---0.004--1.743%
2012-02-01T23:49:00markrtiny50000010000000---0.044--4.427%
2016-03-17T19:01:57alpertronManual testing3000001000000012---0.036--4.139%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-07-12T00:00:00ANONYMOUSv4_computers21256--0.008--
2001-11-14T00:00:00ANONYMOUSv4_computers21257--0.017--
2003-05-04T00:00:00ANONYMOUSv4_computers21258--0.033--
2022-03-07T17:31:12LordJuliusManual testing258260--0.100--
2009-04-14T21:21:00Sturle Sundegraun.ifi260261--0.133--
2022-04-12T17:43:26LordJuliusManual testing21261--0.267--
2011-05-09T14:44:00XyzzyManual testing261262--0.267--
2022-04-12T17:43:26LordJuliusManual testing261262--0.267--
2012-10-07T08:33:00dbaughManual testing262263--0.853--
2022-04-12T17:43:26LordJuliusManual testing262263--0.853--
2022-04-12T17:43:26LordJuliusManual testing263264--1.706--


ECM factoring results:

Old Calculation Method

Total ECM effort:17.640 GHz-days
Estimated T-Level:25.344
DigitsB1CurvesCompleteFacMiss
2011000322 / 1003.2203.931%
2550000322 / 2801.15031.599%
3025000044 / 6400.06993.351%

New Calculation Method

Total ECM effort:17.640 GHz-days
Estimated T-Level:25.344
DigitsB1CompleteFacMiss
201100012.6340.000%
25500001.34126.168%
302500000.10789.841%
3510000000.00799.298%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
5000050000002789.85
25000025000000447.793


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-07-14T00:00:00ANONYMOUSv4_computersF0B0BA17FA5B0E920.034


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-29T07:18:11Oliver KruseGTX-0
33070985332512240675151
26504DF5790AF7__no
2017-10-17T05:54:24Oliver KruseThreadripper
33070985332512240675151
26504DF5790AF7__no
2018-01-02T14:07:34ATHec2-1xf
33070985332512240675151
26504DF5790AF7__no


P-1 factor-bounds graph:
B1 = 500000, B2 = 10000000 (P-1 stage 2)
B1 = 300000, B2 = 10000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 300000 (P-1 stage 1)
B1 = 50000, B2 = 1000000 (P-1 stage 2)
B1 = 50000 (P-1 stage 1)
B1 = 20000, B2 = 200000 (P-1 stage 2)
B1 = 20000 (P-1 stage 1)
B1 = 1000, B2 = 100000 (P-1 stage 2)
B1 = 1000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
264
263
262
261
260
258
257
256
250
260
270
280
290
2100
Last modified: 2022-04-12T17:43:26+00:00