Factor Calculator

Factors of 764

The factors of 764 are 1, 2, 4, 191, 382, and 764. In total, 764 has 6 factors. Its prime factorization is 2² × 191, and the sum of all its factors is 1344.

All factors of 764

Here are all 6 factors of 764, listed from smallest to largest.

124191382764

Factor pairs of 764

These 3 pairs of whole numbers each multiply to give 764.

1 × 764 = 764
2 × 382 = 764
4 × 191 = 764

Prime factorization of 764

Dividing 764 by the smallest prime at each step gives its prime factorization:

764 ÷ 2 = 382
382 ÷ 2 = 191
191 ÷ 191 = 1
Result: 764 = 2 × 2 × 191 = 2² × 191

The distinct prime factors of 764 are 2, 191. To factorize any other number, use the prime factorization calculator.

Factor tree of 764

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

Factor tree of 76476423822191
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 764

Number of factors6
Sum of factors1344
Sum of proper factors580
Prime factorization2² × 191
Prime or composite?Composite
Even or odd?Even
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 764 interesting

  • 764 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.
  • 764 is a deficient number: its proper factors sum to 580, which is 184 less than 764 itself.

How to find the factors of 764 yourself

Divide 764 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 √76427.64, because every factor above that pairs with one below it.

764 ÷ 1 = 764
764 ÷ 2 = 382
764 ÷ 4 = 191

Reading both columns gives every factor: 1, 2, 4, 191, 382, 764. The factor calculator does this automatically for any number.

Frequently asked questions about 764

What are the factors of 764?

The factors of 764 are 1, 2, 4, 191, 382, and 764. That is 6 factors in total, counting both 1 and 764.

Is 764 a prime number?

No, 764 is not prime — it is a composite number with 6 factors. A prime number has exactly two factors, but 764 is also divisible by 2.

What is the prime factorization of 764?

The prime factorization of 764 is 2² × 191. Written out in full: 2 × 2 × 191 = 764. Its distinct prime factors are 2, 191.

What two numbers multiply to give 764?

There are 3 pairs of whole numbers that multiply to 764: 1 × 764, 2 × 382, 4 × 191.

What is the sum of the factors of 764?

Adding all the factors of 764 together gives 1344. Excluding 764 itself, the proper factors sum to 580.

Is 764 a perfect square?

No, 764 is not a perfect square. There is no whole number that multiplies by itself to give 764. The nearest perfect squares are 729 and 784.

What is the largest factor of 764 other than itself?

The largest factor of 764 apart from 764 itself is 382, since 764 ÷ 382 = 2.

How many factors does 764 have?

764 has 6 factors: 1, 2, 4, 191, 382, and 764. You can verify this from the prime factorization 2² × 191: add 1 to each exponent and multiply, giving 3 × 2 = 6.

Explore more

Try another number in the factor calculator, break 764 down further with the prime factorization calculator, or compare 764 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.