If a number is prime what steps did you take to find out that it is prime?

Check if it's odd, and then divide by every odd number between one and itself.

First you have to think if it is odd, and then divide it by one, which all numbers can be, and see if you can divide it by any other number, and if you can, that it is composite, if you can’t than it is prime!

21 is the answer the answer is 21

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