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Is 693 a prime or composite number?

Updated: 8/17/2019
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Wiki User

12y ago

Best Answer

693 can be divided by 3 ==> composite number.

This is an easy prime because if you make a sum of all the digits: 6 + 9 + 3 = 18, if you can devide this sum by 3 than you can also divide the original number by 3.

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12y ago
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