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DIV - Divisors |
Let N be a positive integer. In theory it is easy to decide if d(N) (the number of positive divisors of N including 1 and N) is prime or not. Your task is just a little bit harder: compute all N in [1,10^6] for which d(N)=p*q where p and q distinct primes.
Input
There is no input for this problem.
Output
To make the problem less io related write out only every 9-th of them, one per line.
Output: 50 99 162 ... 999524 999728 999927
Added by: | czylabsonasa |
Date: | 2005-05-16 |
Time limit: | 0.705s |
Source limit: | 3333B |
Memory limit: | 1536MB |
Cluster: | Cube (Intel G860) |
Languages: | All |
Resource: | Folklore. |
hide comments
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2013-01-08 14:08:12 Naman_Amit_Prashant
@Govardhan Reddy M : the no. u missed was 30.. better luck.. :P |
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2012-12-10 07:32:41 Santiago Palacio
Nice problem! |
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2011-09-20 22:34:39 Piotr KÄ…kol
@govardhan reddy - How about 32? |
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2011-09-20 22:34:39 Govardhan Reddy M
cant find 8 such numbers before 50. got only 7 : 12, 18, 20, 28, 44, 45, 48. please help if it does nt take out the fun of solving it ... |
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2011-09-20 22:34:39 Hendra Jaya
There are exactly 54454 such a number. Hence the answer should contain exactly 6050 lines. No wonder TEXT solution is impossible. |