66-(1,2,3,6,11,22,33,66)
Composite
23 is prime, 66 is composite.
66 is composite.
composite
All even numbers, except 2, are composite.
Prime: 13, 23, 31 Composite: 15, 18, 51, 66, 81
66 is a composite number because it has more than two factors
Prime factors of 66 are 2 x 3 x 11.
2, 3 and 11
No. All whole numbers ending in six are composite.
66
2 x 3 x 11
198 is composite: it is divisible by 2, 3, 6, 9, 11, 18, 22, 33, 66, and 99.