Factors of 136
The factors of 136 are 1, 2, 4, 8, 17, 34, 68, and 136. In total, 136 has 8 factors. Its prime factorization is 2³ × 17, and the sum of all its factors is 270.
All factors of 136
Here are all 8 factors of 136, listed from smallest to largest.
Factor pairs of 136
These 4 pairs of whole numbers each multiply to give 136.
Prime factorization of 136
Dividing 136 by the smallest prime at each step gives its prime factorization:
The distinct prime factors of 136 are 2, 17. To factorize any other number, use the prime factorization calculator.
Factor tree of 136
A factor tree shows the same prime factorization visually. Each composite branch splits until every endpoint is a prime number.
Properties of 136
| Number of factors | 8 |
|---|---|
| Sum of factors | 270 |
| Sum of proper factors | 134 |
| Prime factorization | 2³ × 17 |
| Prime or composite? | Composite |
| Even or odd? | Even |
| Perfect square? | No |
| Perfect cube? | No |
| Classification | Deficient |
What makes 136 interesting
- 136 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 4 different ways.
- 136 is a deficient number: its proper factors sum to 134, which is 2 less than 136 itself.
- 136 is a triangular number — it is the sum of the first 16 whole numbers (1 + 2 + … + 16 = 136).
How to find the factors of 136 yourself
Divide 136 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 √136 ≈ 11.66, because every factor above that pairs with one below it.
Reading both columns gives every factor: 1, 2, 4, 8, 17, 34, 68, 136. The factor calculator does this automatically for any number.
Related numbers
Numbers mathematically connected to 136.
Frequently asked questions about 136
What are the factors of 136?
Is 136 a prime number?
What is the prime factorization of 136?
What two numbers multiply to give 136?
What is the sum of the factors of 136?
Is 136 a perfect square?
What is the largest factor of 136 other than itself?
How many factors does 136 have?
Explore more
Try another number in the factor calculator, break 136 down further with the prime factorization calculator, or compare 136 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.