SOLUTION: Classify the number as prime, composite, or neither.
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Algebra.Com
Question 435419: Classify the number as prime, composite, or neither.
51
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The sum of the digits is 6 which is divisible by 3, hence the number is divisible by 3, therefore the number is composite.
John
My calculator said it, I believe it, that settles it
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