Factor Calculator

Factors of 507

The factors of 507 are 1, 3, 13, 39, 169, and 507. In total, 507 has 6 factors. Its prime factorization is 3 × 13², and the sum of all its factors is 732.

All factors of 507

Here are all 6 factors of 507, listed from smallest to largest.

131339169507

Factor pairs of 507

These 3 pairs of whole numbers each multiply to give 507.

1 × 507 = 507
3 × 169 = 507
13 × 39 = 507

Prime factorization of 507

Dividing 507 by the smallest prime at each step gives its prime factorization:

507 ÷ 3 = 169
169 ÷ 13 = 13
13 ÷ 13 = 1
Result: 507 = 3 × 13 × 13 = 3 × 13²

The distinct prime factors of 507 are 3, 13. To factorize any other number, use the prime factorization calculator.

Factor tree of 507

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

Factor tree of 50750731691313
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 507

Number of factors6
Sum of factors732
Sum of proper factors225
Prime factorization3 × 13²
Prime or composite?Composite
Even or odd?Odd
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 507 interesting

  • 507 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 3 different ways.
  • 507 is a deficient number: its proper factors sum to 225, which is 282 less than 507 itself.

How to find the factors of 507 yourself

Divide 507 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 √50722.52, because every factor above that pairs with one below it.

507 ÷ 1 = 507
507 ÷ 3 = 169
507 ÷ 13 = 39

Reading both columns gives every factor: 1, 3, 13, 39, 169, 507. The factor calculator does this automatically for any number.

Frequently asked questions about 507

What are the factors of 507?

The factors of 507 are 1, 3, 13, 39, 169, and 507. That is 6 factors in total, counting both 1 and 507.

Is 507 a prime number?

No, 507 is not prime — it is a composite number with 6 factors. A prime number has exactly two factors, but 507 is also divisible by 3.

What is the prime factorization of 507?

The prime factorization of 507 is 3 × 13². Written out in full: 3 × 13 × 13 = 507. Its distinct prime factors are 3, 13.

What two numbers multiply to give 507?

There are 3 pairs of whole numbers that multiply to 507: 1 × 507, 3 × 169, 13 × 39.

What is the sum of the factors of 507?

Adding all the factors of 507 together gives 732. Excluding 507 itself, the proper factors sum to 225.

Is 507 a perfect square?

No, 507 is not a perfect square. There is no whole number that multiplies by itself to give 507. The nearest perfect squares are 484 and 529.

What is the largest factor of 507 other than itself?

The largest factor of 507 apart from 507 itself is 169, since 507 ÷ 169 = 3.

How many factors does 507 have?

507 has 6 factors: 1, 3, 13, 39, 169, and 507. You can verify this from the prime factorization 3 × 13²: add 1 to each exponent and multiply, giving 2 × 3 = 6.

Explore more

Try another number in the factor calculator, break 507 down further with the prime factorization calculator, or compare 507 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.