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Problems > Prime Factorization

Prime Factorization

Difficulty: 1300 3000 ms 128 MB

math number-theory

Print the prime factorization of N in increasing prime order, formatted like 2^3 * 3 * 7^2 (omit exponent 1).

Input: one integer N.

Output: the factorization string.

Constraints:

  • 2 ≤ N ≤ 1012

Sample Tests

Input 1
360
Output 1
2^3 * 3^2 * 5
Input 2
97
Output 2
97

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