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If a number is divisible by 3 and 5, it is divisible by 15.

Q: What is divisibility rules for 15?

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The divisibility rules of 4 and 9 are combined to make the divisibility rule of 36.

The answer will depend on the divisibility rules list.

fractions help you write out divisibility rules because divisibility rules help with fractions . Glad I would help good bye

The divisibility rules for a prime number is if it is ONLY divisible by 1, and itself.

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You can always check on the divisibility of a number by dividing it into another number. But if you know the divisibility rules, you can get that information easier and faster.

use divisibility rules to find at least four factors of the number 19

Jason Delaware

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i think divisibility rules help with fractions because it helps you reduce the fraction to make i a simple fraction.

3 and 9. And they divide into 123456789 whether or not you use divisibility rules!

It isn't worthwhile to invent or memorize complicated divisibility rules for lots of numbers. Just carrying out the divisions is faster in most cases.