Factor Calculator

Factors of 528

The factors of 528 are 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, and 528. In total, 528 has 20 factors. Its prime factorization is 2⁴ × 3 × 11, and the sum of all its factors is 1488.

All factors of 528

Here are all 20 factors of 528, listed from smallest to largest.

12346811121622243344486688132176264528

Factor pairs of 528

These 10 pairs of whole numbers each multiply to give 528.

1 × 528 = 528
2 × 264 = 528
3 × 176 = 528
4 × 132 = 528
6 × 88 = 528
8 × 66 = 528
11 × 48 = 528
12 × 44 = 528
16 × 33 = 528
22 × 24 = 528

Prime factorization of 528

Dividing 528 by the smallest prime at each step gives its prime factorization:

528 ÷ 2 = 264
264 ÷ 2 = 132
132 ÷ 2 = 66
66 ÷ 2 = 33
33 ÷ 3 = 11
11 ÷ 11 = 1
Result: 528 = 2 × 2 × 2 × 2 × 3 × 11 = 2⁴ × 3 × 11

The distinct prime factors of 528 are 2, 3, 11. To factorize any other number, use the prime factorization calculator.

Factor tree of 528

A factor tree shows the same prime factorization visually. Each composite branch splits until every endpoint is a prime number.

Factor tree of 52852822642132266233311
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 528

Number of factors20
Sum of factors1488
Sum of proper factors960
Prime factorization2⁴ × 3 × 11
Prime or composite?Composite
Even or odd?Even
Perfect square?No
Perfect cube?No
ClassificationAbundant

What makes 528 interesting

  • 528 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 10 different ways.
  • 528 is an abundant number: its proper factors sum to 960, which is 432 more than 528 itself.
  • 528 is a triangular number — it is the sum of the first 32 whole numbers (1 + 2 + … + 32 = 528).
  • 528 has 3 distinct prime factors (2, 3, 11), which is why it has so many divisors.

How to find the factors of 528 yourself

Divide 528 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 √52822.98, because every factor above that pairs with one below it.

528 ÷ 1 = 528
528 ÷ 2 = 264
528 ÷ 3 = 176
528 ÷ 4 = 132
528 ÷ 6 = 88
528 ÷ 8 = 66
528 ÷ 11 = 48
528 ÷ 12 = 44
528 ÷ 16 = 33
528 ÷ 22 = 24

Reading both columns gives every factor: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528. The factor calculator does this automatically for any number.

Frequently asked questions about 528

What are the factors of 528?

The factors of 528 are 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, and 528. That is 20 factors in total, counting both 1 and 528.

Is 528 a prime number?

No, 528 is not prime — it is a composite number with 20 factors. A prime number has exactly two factors, but 528 is also divisible by 2.

What is the prime factorization of 528?

The prime factorization of 528 is 2⁴ × 3 × 11. Written out in full: 2 × 2 × 2 × 2 × 3 × 11 = 528. Its distinct prime factors are 2, 3, 11.

What two numbers multiply to give 528?

There are 10 pairs of whole numbers that multiply to 528: 1 × 528, 2 × 264, 3 × 176, 4 × 132, 6 × 88, 8 × 66, 11 × 48, 12 × 44, 16 × 33, 22 × 24.

What is the sum of the factors of 528?

Adding all the factors of 528 together gives 1488. Excluding 528 itself, the proper factors sum to 960.

Is 528 a perfect square?

No, 528 is not a perfect square. There is no whole number that multiplies by itself to give 528. The nearest perfect squares are 484 and 529.

What is the largest factor of 528 other than itself?

The largest factor of 528 apart from 528 itself is 264, since 528 ÷ 264 = 2.

How many factors does 528 have?

528 has 20 factors: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, and 528. You can verify this from the prime factorization 2⁴ × 3 × 11: add 1 to each exponent and multiply, giving 5 × 2 × 2 = 20.

Explore more

Try another number in the factor calculator, break 528 down further with the prime factorization calculator, or compare 528 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.