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Enhance PrimeCheck with BigInteger prime verification #7186

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Enhance PrimeCheck with BigInteger prime verification #7186

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7 changes: 7 additions & 0 deletions src/main/java/com/thealgorithms/maths/Prime/PrimeCheck.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
package com.thealgorithms.maths.Prime;

import java.math.BigInteger;
import java.util.Scanner;

public final class PrimeCheck {
Expand All @@ -22,6 +23,12 @@ public static void main(String[] args) {
} else {
System.out.println("algo2 verify that " + n + " is not a prime number");
}

if (BigInteger.valueOf(n).isProbablePrime(100)){ // uses Miller–Rabin and Lucas probable prime test (Baillie–PSW)
System.out.println("algo3 verify that " + n + " is a prime number");
} else {
System.out.println("algo3 verify that " + n + " is not a prime number");
}
scanner.close();
}

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