why 3×5×7+7 is a composite number
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7(3×5+7) are composit number because composit has many factors other than 1 so it is a compsit number
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3×5×7+7= 322
The number 322 can be evenly divided by 1, 2, 7, 14, 23, 46, 161 and 322, with no remainder.
so this is composite number
The number 322 can be evenly divided by 1, 2, 7, 14, 23, 46, 161 and 322, with no remainder.
so this is composite number
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