It is prime because its multiples are 1 and itself that is a prime number
All multiples are composite numbers.
No, multiples of prime numbers are composite.
245 is not prime. Composite: (5 x 49 or 5 x 7 x 7) Also you can automatically determine a number as composite if: it ends with 2, 4, 6, 8, and 0: multiples of 2; or it ends with 5: multiples of 5.
Multiples of any number greater than one are composite.
5 prime, 25 composite.
Yes, all multiples of 3 are composite except for 3 itself which is a prime number.
no it is a prime number (prime means its multiples are only 1 and itself composite numbers can have multiples of many other things)
Nothing everything is composite
there are no prime multiples for 75 the prime factors or 75 are 5, 5, and 3
5 is prime.