Is 108 a Prime Number?
Is 108 prime?
No
108 = 2² × 3³ (divisible by 2).
Why
108 is composite because it is divisible by 2 (108 = 2² × 3³), so it has factors other than 1 and itself.
A prime number is a whole number greater than 1 whose only factors are 1 and itself. To check 108, test whether any prime up to √108 divides it evenly — if none do, it is prime.
Check another number
The prime factorization calculator tests any number and shows its prime factors and all divisors.
Nearby numbers
Frequently asked questions
Is 108 a prime number?+
No, 108 is composite because it is divisible by 2 (108 = 2² × 3³), so it has factors other than 1 and itself.
What is 108 divisible by?+
108 is divisible by more than just 1 and itself. Its prime factorization is 108 = 2² × 3³.