12 is a composite number. A Prime number is a number with two and only two factors: 1 (also known as unity) and itself. A composite number is a number with more than two factors; in other words, it has at least one factor besides 1 and itself. Since 12 is an even number, it is also divisible by 2, which means it has more than two factors, which in turn means it is a composite number.
It is a composite number.
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It is a composite number.
12 is a composite number that is a multiple of 2. 12 is not a prime number.
12 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.
12 is a composite number, not a prime factor.
144 is not prime. 144 = 2 * 2 * 2 * 2 * 3 * 3