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The number "three" (3) is a Prime number since it can be divided only by itself or the number "one" (1). A composite number contrastingly must be greater than 1 and must not be prime.
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Does every composite number only have two prime factors?
no, because a composite number can be found by multiplying three prime numbers. 3*2*5 = 30, and 30 is a composite number and also has 3 prime factors. Every prime number has 1 prime factor by the way, itself. 1 is neither prime nor composite.
Is three a composite number?
No, it is a prime.
Is 18 composite or prime?
The factors of 18 are: 1, 2, 3, 6, 9, and 18.Since there are other factors in addition to '1' and the number itself,the number is composite.18 is a composite number because it has more than 2 factors18 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.18 is not prime; it is composite. 18 = 2 * 3 * 3
What are the numbers that are composite?
The numbers with three or more factors; it's an infinite list.
Is twenty three a composite number?
No 23 is a prime #
