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Java HackerRank

Difficulty Max Score Success Ratio
Easy 20 91.03%

A prime number is a natural number greater than [SVG image] whose only positive divisors are [SVG image] and itself. For example, the first six prime numbers are [SVG image] , [SVG image] , [SVG image] , [SVG image] , [SVG image] , and [SVG image] .

Given a large integer, [SVG image] , use the Java BigInteger class' isProbablePrime method to determine and print whether it's prime or not prime.

Input Format

A single line containing an integer, [SVG image] (the number to be checked).

Constraints

  • [SVG image] contains at most [SVG image] digits. Output Format

If [SVG image] is a prime number, print prime; otherwise, print not prime.

Sample Input

13

Sample Output

prime

Explanation

The only positive divisors of [SVG image] are [SVG image] and [SVG image] , so we print prime.

💡 Hints

➡️ Approach

✅ Detailed Solution

View Solution : Java Primality Test

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