Factors of 66
66 has 8 factors.
All factors of 66
1, 2, 3, 6, 11, 22, 33, 66
Prime factorization: 2 × 3 × 11
Number of factors
8
Sum of factors
144
Prime?
No
Factor pairs of 66
Each pair multiplies together to make 66:
| Pair | Product |
|---|---|
| 1 × 66 | 66 |
| 2 × 33 | 66 |
| 3 × 22 | 66 |
| 6 × 11 | 66 |
Factors of nearby numbers
Factor any number
Need a different number? The prime factorization calculator breaks any number into its prime factors and lists all its divisors.
Frequently asked questions
What are the factors of 66?+
The factors of 66 are 1, 2, 3, 6, 11, 22, 33, 66 — that is 8 factors in total.
What is the prime factorization of 66?+
The prime factorization of 66 is 2 × 3 × 11.
Is 66 a prime number?+
No. 66 has 8 factors, more than just 1 and itself, so it is a composite number.