is 2 100493 - 1
has 30252 decimal digits
takes 0.000 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-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual267295.681574.6269%100000000067468016315701,187.485225.4924%1,483.166681.0951%
Target2440.000061.3636%1200180000.00004.1518%0.000062.9678%
Difference+23+295.6814+13.2632%+999998800+6746801613570+1,187.4852+21.3406%+1,483.1666+18.1273%

Known prime factors (3 factors, 90.4 bits, 0.08991885% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1004932411833721.20212
22 × 3
-442.787e-121.289e-82.623e-8
1004937235497722.78736
22 × 32
2008-07-26995.603e-122.900e-85.902e-8
100493911803150969031446.374453665007
32 × 43 × 1172261
2008-07-264311722610.00020.00020.0004

4 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-10-31kkmrkkblmbrbkManual testing100000000200000000012-
skipped known factor: 2411833
skipped known factor: 7235497
skipped known factor: 91180315096903
--0.656--11.728%
2021-12-17Seth_TrManual testing10000000006746801631570-
skipped known factor: 2411833
skipped known factor: 7235497
skipped known factor: 91180315096903
--1,187--25.492%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-07-26J FeitsmaManual testing??22.78774.33260e-140.0009.24988e-14
2008-07-26J FeitsmaManual testing??46.374148.29259e-50.0000.000
2018-10-25J.R. AllenManual testing252257--0.185--
2022-04-13LordJuliusManual testing2125743.988141.75665e-50.0003.56691e-5
2022-04-13LordJuliusManual testing2125721.20272.78730e-120.0005.95075e-12
2022-04-13LordJuliusManual testing2125722.78775.60349e-120.0001.19632e-11
2022-04-13LordJuliusManual testing2125746.374140.0000.0000.000
2018-11-01J.R. AllenManual testing257258--0.191--
2022-04-13LordJuliusManual testing257258--0.191--
2018-11-01J.R. AllenManual testing258259--0.382--
2022-04-13LordJuliusManual testing258259--0.382--
2018-11-01J.R. AllenManual testing259260--0.764--
2022-04-13LordJuliusManual testing259260--0.764--
2022-04-13LordJuliusManual testing260261--1.528--
2022-04-13LordJuliusManual testing261262--3.057--
2022-10-13LordJuliusManual testing262263--9.77--
2022-10-13LordJuliusManual testing263264--19.54--
2022-10-22LordJuliusManual testing264265--37.18--
2022-10-22LordJuliusManual testing265266--74.36--
2022-10-22LordJuliusManual testing266267--148.7--


ECM factoring results:
Total ECM effort:12.736 GHz-days
Estimated T-Level:30.766
DigitsB1CompleteFacMiss
201100082.9900.000%
255000013.0390.000%
302500001.56121.003%
3510000000.15385.797%
4030000000.01398.726%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002810.652
250000250000005856.790
10000001000000001145.293


Lucas-Lehmer results:
No L-L results for M100493


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21Oliver KruseOliver-PC
2411833
7235497
91180315096903
D6867AA3A52888__no
2017-09-21Oliver KruseManual testing
2411833
7235497
91180315096903
D6867AA3A52888__no
2017-09-22Oliver KruseManual testing
2411833
7235497
91180315096903
D6867AA3A52888__no
2017-11-06kkmrkkblmbrbkc4.xlarge
2411833
7235497
91180315096903
D6867AA3A52888__no
2020-04-17Oliver KruseAddPrpType5
2411833
7235497
91180315096903
59196DF0ABE436__no
2022-04-15LordJuliusWhiteBox
2411833
7235497
91180315096903
59196DF0ABE4369Eno


P-1 factor-bounds graph:
B1 = 1000000000, B2 = 6746801631570 (P-1 stage 2)
B1 = 1000000000 (P-1 stage 1)
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
109
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
267
266
265
264
263
262
261
260
259
258
257
2
this exponent TF target: 44
TF double-checked to: 67.7
ECM T-Level=30.77 ~= 86-bit
250
260
270
280
290
Last modified: 2023-03-23T17:39:31+00:00