is 2 3224189 - 1
has 970578 decimal digits
takes 0.274 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LB0537187AED013C1double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26937.028568.1159%10000001199121000.92296.8880%37.951470.3121%2.1962%
PrimeNet2600.047663.3333%130002400000.00312.6611%0.050864.3091%0.9757%
GPU722641.103965.6250%160002600000.00361.6180%1.107666.1812%0.5562%
Difference+5+35.9245+2.4909%+984000+119652100+0.9193+5.2700%+36.8439+4.1309%+4.1309%

Known prime factors (1 factor, 70.4 bits, 0.00218280% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
322418915339104497333383921292270.378237875392809376
25 × 7 × 768049 × 1382651
2009-05-147680491382651131.200.09890.1929

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-01-18T06:10:49Jocelyn LaroucheManual testing32241832241896---0.059--3.037%
2022-02-07T00:50:39Jocelyn LaroucheManual testing1000000119912100-
skipped known factor: 1533910449733338392129
--0.923--6.888%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-05-27T00:00:00ANONYMOUSv4_computers21260--0.048--
2009-04-06T12:06:00S485122USB-Z260261--0.048--
2022-04-03T16:28:07LordJuliusManual testing261263--0.400--
2022-04-03T16:28:07LordJuliusManual testing263264--0.609--
2022-04-03T16:28:07LordJuliusManual testing264265--1.159--
2022-04-03T16:28:07LordJuliusManual testing265266--2.318--
2022-04-03T16:28:07LordJuliusManual testing266267--4.635--
2021-07-06T11:17:31Jocelyn LaroucheManual testing267268--9.271--
2021-12-22T09:19:57Jocelyn LaroucheManual testing268269--18.54--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.353 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.353 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
50000500000030.353


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-06-26T00:00:00ANONYMOUSv4_computersB0537187AED013C10.274


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-02T02:12:21Oliver KruseGTX-3
1533910449733338392129
C0FF40F87A49A3__no
2017-12-13T12:05:52kkmrkkblmbrbkc4.xlarge
1533910449733338392129
C0FF40F87A49A3__no


P-1 factor-bounds graph:
B1 = 1000000, B2 = 119912100 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 322418, B2 = 3224189 (P-1 stage 2)
B1 = 322418 (P-1 stage 1)
104
105
106
104
105
106
107
108
109
TF factor-bounds graph:
269
268
267
266
265
264
263
261
260
250
260
270
280
290
2100
Last modified: 2022-04-03T16:28:07+00:00