Clarification Request Go to the Prime Factory challenge
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Clarification Request
Apr 10, 2008 - 00:14:15 (16y 112d)
Apr 10, 2008 - 00:14:15 (16y 112d)
What does digit sum exactly means?
1- Sum the digits on both numbers and check the result is prime?
2- Sum the digits in each number and check both results are prime?
3- Sum corresponding digits and check all results are prime?
4- Anything else?
1- Sum the digits on both numbers and check the result is prime?
2- Sum the digits in each number and check both results are prime?
3- Sum corresponding digits and check all results are prime?
4- Anything else?
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Clarification Request
Apr 10, 2008 - 00:56:08 (16y 112d)
Apr 10, 2008 - 00:56:08 (16y 112d)
2)
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Clarification Request
Feb 04, 2009 - 15:15:39 (15y 176d)
Feb 04, 2009 - 15:15:39 (15y 176d)
oh dear.
I have just gone to quite a high number of primes doing the sum of the 2 numbers.
Time to recode it...
I have just gone to quite a high number of primes doing the sum of the 2 numbers.
Time to recode it...
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Clarification Request
Feb 16, 2009 - 17:34:07 (15y 164d)
Feb 16, 2009 - 17:34:07 (15y 164d)
Hi,
You say that the right answer is number 2. Then why 1000099 and 1000121 aren't ok ? I mean they are the first two to be prime number with sums which are primes too : 1+9+9 = 19 (prime) and 1+1+2+1 = 5 (prime)
Thx, Romain
You say that the right answer is number 2. Then why 1000099 and 1000121 aren't ok ? I mean they are the first two to be prime number with sums which are primes too : 1+9+9 = 19 (prime) and 1+1+2+1 = 5 (prime)
Thx, Romain
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Clarification Request
Feb 16, 2009 - 17:51:47 (15y 164d)
Feb 16, 2009 - 17:51:47 (15y 164d)
Simply because they are not the first two primes to fulfil the constraints.
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RE: Clarification Request
Oct 04, 2010 - 16:37:35 (13y 299d)
Oct 04, 2010 - 16:37:35 (13y 299d)
This challenge was broken for several weeks, because the solution has been reset to NULL.
If you tried this chall within the last weeks, i am very sorry for any inconvinience.
The reason for this is EditChallenge reset the password to NULL and i hope i did not edit too much challenges, with a static solution.
I will check all static solutions now to be still ok
Edit: Checked all solutions and all other challenges were ok.
If you tried this chall within the last weeks, i am very sorry for any inconvinience.
The reason for this is EditChallenge reset the password to NULL and i hope i did not edit too much challenges, with a static solution.
I will check all static solutions now to be still ok
Edit: Checked all solutions and all other challenges were ok.
The geeks shall inherit the properties and methods of object earth.
Last edited by gizmore - Oct 04, 2010 - 16:54:49
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RE: Clarification Request
Oct 08, 2018 - 22:28:18 (5y 293d)
Oct 08, 2018 - 22:28:18 (5y 293d)
Quote from GizmoreOct 04, 2010 - 16:37:35
This challenge was broken for several weeks, because the solution has been reset to NULL.
If you tried this chall within the last weeks, i am very sorry for any inconvinience.
The reason for this is EditChallenge reset the password to NULL and i hope i did not edit too much challenges, with a static solution.
I will check all static solutions now to be still ok
Edit: Checked all solutions and all other challenges were ok.
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RE: Clarification Request
Oct 08, 2018 - 22:38:29 (5y 293d)
Oct 08, 2018 - 22:38:29 (5y 293d)
The password this challenge is 10000331000037 ?, thanks
use the Criba de Eratóstenes, is result :
1000003
1000033
1000037
1000039
1000081
1000099
1000117
1000121
1000133
1000151
1000159
1000171
1000183
1000187
1000193
use the Criba de Eratóstenes, is result :
1000003
1000033
1000037
1000039
1000081
1000099
1000117
1000121
1000133
1000151
1000159
1000171
1000183
1000187
1000193
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