Arithmetic & Number Theory
Prime Check
Test whether n is a prime number.
Formula
Formula
n prime ⇔ divisors = {1, n}
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| n | integer to test | integer (ℤ) | — | input |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givenn = 97
ResultTrue
Example 2
Givenn = 100
ResultFalse