Twenty is composite. It has the factors 1, 2, 4 ,5, 10, and 20. Prime numbers have exactly two factors. Composite numbers have three or more.
It is composite.
composite
Two is prime. All other even numbers are composite.
21 is not a prime number.
No 23 is a prime #
composite. 123 = 3 * 41
20 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.
24 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.
The sum of the prime factors of 6 is closest in value to the composite number 6.
neither prime or composite
It is prime
27 is not a prime number because it has more than two factors and so therefore it is a composite number