ECM results and reservations - Page 24

swellman · 2016-06-25, 01:32

Reserving C207_148_112 for ECM to t50.

swellman · 2016-06-26, 21:42

Quote:

Originally Posted by swellman

Reserving C202_148_51 for ECM to t50. Thanks.

Survived 7600 curves @B1=43M with no factors found. Releasing.

swellman · 2016-06-30, 12:19

Reserving C208_148_104 and C217_148_47 for ECM to t50. Thanks.

swellman · 2016-07-01, 00:06

Quote:

Originally Posted by swellman

Reserving C207_148_112 for ECM to t50.

Survived 7600 curves @B=43M with no factors found. Releasing.

fivemack · 2016-07-10, 15:16

After 4992 curves at B1=3e8 on GPU, I started to apply some stage-2, and after post-processing only about 160 curves I found

Code:

Using B1=300000000-300000000, B2=3178599824416, polynomial Dickson(30), sigma=3:2022283272
Step 1 took 0ms
Step 2 took 361672ms
********** Factor found in step 2: 2381455946858717839097429667344741022535413375282493
Found prime factor of 52 digits: 2381455946858717839097429667344741022535413375282493
Prime cofactor 697987423402515253999840363189046722683542470038754549794553963268238512648543146243685025747210343777070373845112651172664612346301 has 132 digits

swellman · 2016-07-13, 21:32

Reserving the following for ECM to t50:

C238_148_146
C247_148_145
C252_148_93

swellman · 2016-07-25, 11:45

Quote:

Originally Posted by swellman

Reserving C208_148_104 and C217_148_47 for ECM to t50. Thanks.

C208_148_104 survived 7600 curves @B1=43e6 with no factors found. Releasing.

C217_148_47 fully factored:
p49=3425669353362058699445052114638400820077021255383
B1=43000000, B2=GMP-ECM default
sigma=1773973905

swellman · 2016-07-25, 17:26

Reserving C221_148_85 for ECM to t50.

swellman · 2016-08-01, 17:30

Reserving C230_149_106 for ECM to t50.

swellman · 2016-08-02, 10:59

Quote:

Originally Posted by swellman

Reserving C221_148_85 for ECM to t50.

Survived 7600 curves @B1=43e6 with no factors found. Releasing.

swellman · 2016-08-16, 10:59

Quote:

Originally Posted by swellman

Reserving the following for ECM to t50:

C238_148_146
C247_148_145
C252_148_93

All three of these numbers survived t50 with no factors found. Releasing.

2016-06-25, 01:32	#254
swellman Jun 2012 2²·13·59 Posts	C207_148_112 Reserving C207_148_112 for ECM to t50.

2016-08-01, 17:30	#262
swellman Jun 2012 101111111100₂ Posts	C230_149_106 Reserving C230_149_106 for ECM to t50.

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2016-06-30, 12:19	#256
swellman Jun 2012 5774₈ Posts	Reserving C208_148_104 and C217_148_47 for ECM to t50. Thanks.

2016-07-13, 21:32	#259
swellman Jun 2012 3068₁₀ Posts	Reserving the following for ECM to t50: C238_148_146 C247_148_145 C252_148_93

2016-07-25, 17:26	#261
swellman Jun 2012 3068₁₀ Posts	Reserving C221_148_85 for ECM to t50.