How do we find the factors of a number using a divisibility rules?
How do you know that a number is divisible by a given number?
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How do you know that a number is divisible by a given number?
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Finding Factors by Using Divisibility Rules
Divisibility rules help determine if a number is divisible by let's say 2 or 3 or 4. This can help us to identify the factors of a number. Here is a chart that shows all of the basic divisibility rules. Double the last digit, subtract it from the rest of the number.