How this calculation works
Zero is divisible by every positive divisor because 0 = 0 × divisor.
THE FORMULA
a is divisible by b when a mod b = 0A worked example
378 ÷ 9 = 42 with remainder 0, so 9 divides 378.
Good to know
A divisor must be a positive whole number.
Reference: OpenStax Prealgebra (opens in a new tab) ↗
Read the result
Check whether one integer is an exact multiple of another and see the remainder.
The primary result is labeled “Divisible?”. Keep the input definitions in view when comparing this result with another method.
Try a related calculation
A divisor must be a positive whole number.
For a related exercise, try the fraction calculator.
A few questions, answered
How can I check the default inputs by hand?
378 ÷ 9 = 42 with remainder 0, so 9 divides 378.
Which rule does this calculator apply?
a is divisible by b when a mod b = 0