Example
Input
9
Output
True
9 % 3 == 0, so 9 is divisible by 3.
Full lesson preview
Check Divisible by Three
Determine whether a given integer is divisible by 3.
Python practice6 minControl Flow (If–Else Logic)BeginnerLast updated March 15, 2026
Problem statement
Given an integer n, return True if n is divisible by 3, otherwise return False. Zero is considered divisible by 3. The function should accept negative integers as well.
Task
Write a function that returns True if an integer is divisible by 3, otherwise False.
Examples
Input format
A single integer n.
Output format
A boolean: True if n is divisible by 3, otherwise False.
Constraints
-10**9 <= n <= 10**9 (typical integer range). Only integers will be provided.
Samples
Sample 1
Input
10
Output
False
10 is not divisible by 3.