For this problem, you will be provided an array of numbers (not necessarily in order). Return the array of numbers with only prime divisors (including prime powers) remaining in the array. For example:
n = 1:10; n_p = [2 3 4 5 7 8 9];
Since the prime numbers in the 1:10 range are 2, 3, 5, and 7, while the prime powers in this range are 4 (2^2), 8 (2^3), and 9 (3^2). (Ignore one, as it is a trivial case since all integers are divisible by one.) Therefore, you should return the array including both sets joined together and sorted, as shown in the example above.
Previous problem: Divisible by n, prime vs. composite divisors. Next problem: Divisible by n, prime divisors - 11, 13, 17, & 19.
Solution Stats
Solution Comments
Show commentsProblem Recent Solvers97
Suggested Problems
-
Similar Triangles - find the height of the tree
477 Solvers
-
Get the elements of diagonal and antidiagonal for any m-by-n matrix
518 Solvers
-
Split a string into chunks of specified length
2128 Solvers
-
18539 Solvers
-
Convert given decimal number to binary number.
2344 Solvers
More from this Author139
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!