The numbers that can divide 648 evenly, using the divisibility tests, include 1, 2, 3, 4, 6, 8, 9, 12, and 18 and some multiples of any two numbers.
What is the divisibility test?
A divisibility test is performed to identify whether a number can be divided evenly by a fixed divisor without a remainder and without actually performing the division process.
Divisibility by 1: Every number is divisible by 1 = 648 (648/1).
Divisibility by 2: 648 is an even number and divisible by 2 = 324.
Divisibility by 3: Sum the digits (18). 18 is divisible by 3 = 6 (18/3).
Divisibility by 4: The last two digits (4 and 8) form a number (12) that is divisible by 4
Divisibility by 6: It is divisible by 2 and by 3
Divisibility by 8: If the hundreds digit is even, the number formed by the last two digits must be divisible by 8.
Divisibility by 9: Sum the digits (18). 18 is divisible by 9
Divisibility by 12: 648 is divisible by 3 and by 4.
Divisibility by 18: 648 is divisible by 2 and by 9.
Learn more about the divisibility tests at https://brainly.com/question/24125354
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