Factor Calculator

Factors of 772

The factors of 772 are 1, 2, 4, 193, 386, and 772. In total, 772 has 6 factors. Its prime factorization is 2² × 193, and the sum of all its factors is 1358.

All factors of 772

Here are all 6 factors of 772, listed from smallest to largest.

124193386772

Factor pairs of 772

These 3 pairs of whole numbers each multiply to give 772.

1 × 772 = 772
2 × 386 = 772
4 × 193 = 772

Prime factorization of 772

Dividing 772 by the smallest prime at each step gives its prime factorization:

772 ÷ 2 = 386
386 ÷ 2 = 193
193 ÷ 193 = 1
Result: 772 = 2 × 2 × 193 = 2² × 193

The distinct prime factors of 772 are 2, 193. To factorize any other number, use the prime factorization calculator.

Factor tree of 772

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

Factor tree of 77277223862193
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 772

Number of factors6
Sum of factors1358
Sum of proper factors586
Prime factorization2² × 193
Prime or composite?Composite
Even or odd?Even
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 772 interesting

  • 772 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.
  • 772 is a deficient number: its proper factors sum to 586, which is 186 less than 772 itself.

How to find the factors of 772 yourself

Divide 772 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 √77227.78, because every factor above that pairs with one below it.

772 ÷ 1 = 772
772 ÷ 2 = 386
772 ÷ 4 = 193

Reading both columns gives every factor: 1, 2, 4, 193, 386, 772. The factor calculator does this automatically for any number.

Frequently asked questions about 772

What are the factors of 772?

The factors of 772 are 1, 2, 4, 193, 386, and 772. That is 6 factors in total, counting both 1 and 772.

Is 772 a prime number?

No, 772 is not prime — it is a composite number with 6 factors. A prime number has exactly two factors, but 772 is also divisible by 2.

What is the prime factorization of 772?

The prime factorization of 772 is 2² × 193. Written out in full: 2 × 2 × 193 = 772. Its distinct prime factors are 2, 193.

What two numbers multiply to give 772?

There are 3 pairs of whole numbers that multiply to 772: 1 × 772, 2 × 386, 4 × 193.

What is the sum of the factors of 772?

Adding all the factors of 772 together gives 1358. Excluding 772 itself, the proper factors sum to 586.

Is 772 a perfect square?

No, 772 is not a perfect square. There is no whole number that multiplies by itself to give 772. The nearest perfect squares are 729 and 784.

What is the largest factor of 772 other than itself?

The largest factor of 772 apart from 772 itself is 386, since 772 ÷ 386 = 2.

How many factors does 772 have?

772 has 6 factors: 1, 2, 4, 193, 386, and 772. You can verify this from the prime factorization 2² × 193: add 1 to each exponent and multiply, giving 3 × 2 = 6.

Explore more

Try another number in the factor calculator, break 772 down further with the prime factorization calculator, or compare 772 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.