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

Calculator

ISPRIME( )

Related functions

• NEXTPRIME function: returns first prime number larger than x
• PRND function: random prime number function
• Mathematical functions

External links

• Prime number on Wikipedia.