Factors of 168
The factors of 168 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, and 168. In total, 168 has 16 factors. Its prime factorization is 2³ × 3 × 7, and the sum of all its factors is 480.
All factors of 168
Here are all 16 factors of 168, listed from smallest to largest.
Factor pairs of 168
These 8 pairs of whole numbers each multiply to give 168.
Prime factorization of 168
Dividing 168 by the smallest prime at each step gives its prime factorization:
The distinct prime factors of 168 are 2, 3, 7. To factorize any other number, use the prime factorization calculator.
Factor tree of 168
A factor tree shows the same prime factorization visually. Each composite branch splits until every endpoint is a prime number.
Properties of 168
| Number of factors | 16 |
|---|---|
| Sum of factors | 480 |
| Sum of proper factors | 312 |
| Prime factorization | 2³ × 3 × 7 |
| Prime or composite? | Composite |
| Even or odd? | Even |
| Perfect square? | No |
| Perfect cube? | No |
| Classification | Abundant |
What makes 168 interesting
- 168 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 8 different ways.
- 168 is an abundant number: its proper factors sum to 312, which is 144 more than 168 itself.
- 168 has 3 distinct prime factors (2, 3, 7), which is why it has so many divisors.
How to find the factors of 168 yourself
Divide 168 by each whole number starting from 1. Whenever the division leaves no remainder, both the divisor and the quotient are factors. You only need to test up to √168 ≈ 12.96, because every factor above that pairs with one below it.
Reading both columns gives every factor: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168. The factor calculator does this automatically for any number.
Related numbers
Numbers mathematically connected to 168.
Frequently asked questions about 168
What are the factors of 168?
Is 168 a prime number?
What is the prime factorization of 168?
What two numbers multiply to give 168?
What is the sum of the factors of 168?
Is 168 a perfect square?
What is the largest factor of 168 other than itself?
How many factors does 168 have?
Explore more
Try another number in the factor calculator, break 168 down further with the prime factorization calculator, or compare 168 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.