ISPRIME function
Description
ISPRIME(x) checks whether a number is a prime number. The argument x must be less than 1000000000000 (1012). The function returns 1 when the number is prime, 0 when not.
Examples
ISPRIME(11) returns 1
ISPRIME(x) checks whether a number is a prime number. The argument x must be less than 1000000000000 (1012). The function returns 1 when the number is prime, 0 when not.
ISPRIME(11) returns 1