We know that 28 is a composite number because:
28 is a composite number because it has factors of 2 and 7.
21 and 28 are composite.
No, 28 is a Composite Number.
composite and 2*2*7 = 28
28 is a composite number because it has more than two factors but 29 is a prime number because it has only two factors.
The composite factors of 28 are 4, 14, 28 The composite factors of 24 are 4, 6, 8, 12, 24
28 is composite. Its factors are 1, 2, 4, 7, 14 and 28. Since it has factors other than 1 and itself, it is not prime - it is composite.Its prime factors are 2×2×7.28 is an even number greater than 2. It is a composite number.28 is composite.
28 is a composite number because it can be divided by more numbers than it's self and one.
30
28 is a composite number because it has 6 factors: 1, 2, 4, 7, 14, and 28.
28, like all even numbers greater than 2, is a composite number.
Not all numbers between 20 and 28 are composite numbers. 23 is a prime number.