A Prime number cannot have any number multiplied to make that number, except for one. example: 9 is not prime because 3 times 3 is 9.
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2 is the least prime number.
Dim prime, nprime = TRUEn=cint(inputbox("Enter a number to find whether it is Prime or Not"))for i=2 to (n-1)If n mod i = 0 thenprime = FalseExit forEnd ifNextIf prime thenmsgbox "Yes! It is a Prime number"Elsemsgbox "No! it is not a prime number"End if
Find the prime factorization. Identify the distinct prime factors. Add them up.
A number is prime when it only has one and itself as factors is prime. Therefore, to tell if a number is prime or composite simply find it's factors. If it has more than two factors than it is not a prime number, it is composite.
The smallest prime number greater than 200 is 211.