Factor Calculator

Factors of 363

The factors of 363 are 1, 3, 11, 33, 121, and 363. In total, 363 has 6 factors. Its prime factorization is 3 × 11², and the sum of all its factors is 532.

All factors of 363

Here are all 6 factors of 363, listed from smallest to largest.

131133121363

Factor pairs of 363

These 3 pairs of whole numbers each multiply to give 363.

1 × 363 = 363
3 × 121 = 363
11 × 33 = 363

Prime factorization of 363

Dividing 363 by the smallest prime at each step gives its prime factorization:

363 ÷ 3 = 121
121 ÷ 11 = 11
11 ÷ 11 = 1
Result: 363 = 3 × 11 × 11 = 3 × 11²

The distinct prime factors of 363 are 3, 11. To factorize any other number, use the prime factorization calculator.

Factor tree of 363

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

Factor tree of 36336331211111
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 363

Number of factors6
Sum of factors532
Sum of proper factors169
Prime factorization3 × 11²
Prime or composite?Composite
Even or odd?Odd
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 363 interesting

  • 363 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.
  • 363 is a deficient number: its proper factors sum to 169, which is 194 less than 363 itself.

How to find the factors of 363 yourself

Divide 363 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 √36319.05, because every factor above that pairs with one below it.

363 ÷ 1 = 363
363 ÷ 3 = 121
363 ÷ 11 = 33

Reading both columns gives every factor: 1, 3, 11, 33, 121, 363. The factor calculator does this automatically for any number.

Frequently asked questions about 363

What are the factors of 363?

The factors of 363 are 1, 3, 11, 33, 121, and 363. That is 6 factors in total, counting both 1 and 363.

Is 363 a prime number?

No, 363 is not prime — it is a composite number with 6 factors. A prime number has exactly two factors, but 363 is also divisible by 3.

What is the prime factorization of 363?

The prime factorization of 363 is 3 × 11². Written out in full: 3 × 11 × 11 = 363. Its distinct prime factors are 3, 11.

What two numbers multiply to give 363?

There are 3 pairs of whole numbers that multiply to 363: 1 × 363, 3 × 121, 11 × 33.

What is the sum of the factors of 363?

Adding all the factors of 363 together gives 532. Excluding 363 itself, the proper factors sum to 169.

Is 363 a perfect square?

No, 363 is not a perfect square. There is no whole number that multiplies by itself to give 363. The nearest perfect squares are 361 and 400.

What is the largest factor of 363 other than itself?

The largest factor of 363 apart from 363 itself is 121, since 363 ÷ 121 = 3.

How many factors does 363 have?

363 has 6 factors: 1, 3, 11, 33, 121, and 363. You can verify this from the prime factorization 3 × 11²: add 1 to each exponent and multiply, giving 2 × 3 = 6.

Explore more

Try another number in the factor calculator, break 363 down further with the prime factorization calculator, or compare 363 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.