The number 23 is a prime number. It has only 1 and 23 as its factors.
529 is not prime. 529 = 23 * 23
23 is prime because its only factors are 1 and itself.
15 is composite number 17, 19 and 23 are prime numbers.
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. 23452 is composite.
No, it is composite.
465 is a composite number. Its positive integer factors are: 1, 3, 5, 15, 31, 93, 155, 465
23 is prime, 66 is composite.
743 is a prime, having no factors other than 1 and itself. 465 and 600 obviously are composite, being multiples of 5, and 822 is an even number so it must be composite.
The number 23 is a prime number. It has only 1 and 23 as its factors.
23 is a prime number.
21 is composite. 19 and 23 are prime.
Composite. Its prime factors are 23 and 31.
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. 23 is prime.
23 is prime.
It is a prime number
9 is composite.