is 2 100379 - 1
has 30218 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
Actual267296.017374.6269 %10000000020000000000.655811.7267 %296.673077.6023 %
Target2440.000061.3636 %1200850000.00004.0808 %0.000062.9403 %
Difference+23+296.0172+13.2632 %+99998800+1999915000+0.6558+7.6459%+296.6730+14.6620 %

Known prime factors (2 factors, 66.4 bits, 0.06616042% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10037911443207823.44857
3 × 19
-3191.127e-111.248e-81.967e-8
10037985744643203431342.96342710449
659 × 64811
2008-07-26659648119.841e-61.339e-52.125e-5

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-10-31kkmrkkblmbrbkManual testing100000000200000000012
skipped known factor: 11443207
skipped known factor: 8574464320343
---40.785%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-07-26J FeitsmaManual testing??
42.963
13
2018-10-20J.R. AllenManual testing252260
2022-04-09LordJuliusManual testing257264
2022-10-12LordJuliusManual testing264267


ECM factoring results:
Total ECM effort:12.733 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
5000050000002810.650
250000250000005856.790
10000001000000001145.293


Lucas-Lehmer results:
No L-L results for M100379


PRP results:
dateuseridcompidcofactorsres64
2017-09-21Oliver KruseOliver-PC
11443207
8574464320343
4F3DAAA9D070D50C
2017-09-21Oliver KruseManual testing
11443207
8574464320343
4F3DAAA9D070D50C
2017-10-13kkmrkkblmbrbkManual testing
11443207
8574464320343
4F3DAAA9D070D50C
2020-04-17Oliver KruseAddPrpType5
11443207
8574464320343
4EE6C728464B0ACE
2022-04-15LordJuliusWhitebox
11443207
8574464320343
4EE6C728464B0ACE


CERT results:
No CERT results for M100379


P-1 factor-bounds graph:
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
267
264
260
this exponent TF target: 44
TF double-checked to: 67
ECM T-Level=30.77 ~= 86-bit
250
260
270
280
290
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00