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What are odd composite numbers

Answer»

Prime NUMBERS have exactly two factors: 1 and itself.Composites have more than two factors. The NUMBER 1 is neither prime nor COMPOSITE. Finally, if you are trying to figure out if an odd number is a prime, test to see if the number is DIVISIBLE by primes like 3 and 7 first.

Composite Number. A whole number that can be divided exactly by numbers other than 1 or itself. Example: 9 can be divided exactly by 3 (as well as 1 and 9), so 9 is a composite number. But 7 cannot be divided exactly (EXCEPT by 1 and 7), so is NOT a composite number (it is a prime number).



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