Factor Calculator

Factors of 901

The factors of 901 are 1, 17, 53, and 901. In total, 901 has 4 factors. Its prime factorization is 17 × 53, and the sum of all its factors is 972.

All factors of 901

Here are all 4 factors of 901, listed from smallest to largest.

11753901

Factor pairs of 901

These 2 pairs of whole numbers each multiply to give 901.

1 × 901 = 901
17 × 53 = 901

Prime factorization of 901

Dividing 901 by the smallest prime at each step gives its prime factorization:

901 ÷ 17 = 53
53 ÷ 53 = 1
Result: 901 = 17 × 53 = 17 × 53

The distinct prime factors of 901 are 17, 53. To factorize any other number, use the prime factorization calculator.

Factor tree of 901

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

Factor tree of 9019011753
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 901

Number of factors4
Sum of factors972
Sum of proper factors71
Prime factorization17 × 53
Prime or composite?Composite
Even or odd?Odd
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 901 interesting

  • 901 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 2 different ways.
  • 901 is a deficient number: its proper factors sum to 71, which is 830 less than 901 itself.

How to find the factors of 901 yourself

Divide 901 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 √90130.02, because every factor above that pairs with one below it.

901 ÷ 1 = 901
901 ÷ 17 = 53

Reading both columns gives every factor: 1, 17, 53, 901. The factor calculator does this automatically for any number.

Frequently asked questions about 901

What are the factors of 901?

The factors of 901 are 1, 17, 53, and 901. That is 4 factors in total, counting both 1 and 901.

Is 901 a prime number?

No, 901 is not prime — it is a composite number with 4 factors. A prime number has exactly two factors, but 901 is also divisible by 17.

What is the prime factorization of 901?

The prime factorization of 901 is 17 × 53. Written out in full: 17 × 53 = 901. Its distinct prime factors are 17, 53.

What two numbers multiply to give 901?

There are 2 pairs of whole numbers that multiply to 901: 1 × 901, 17 × 53.

What is the sum of the factors of 901?

Adding all the factors of 901 together gives 972. Excluding 901 itself, the proper factors sum to 71.

Is 901 a perfect square?

No, 901 is not a perfect square. There is no whole number that multiplies by itself to give 901. The nearest perfect squares are 900 and 961.

What is the largest factor of 901 other than itself?

The largest factor of 901 apart from 901 itself is 53, since 901 ÷ 53 = 17.

How many factors does 901 have?

901 has 4 factors: 1, 17, 53, and 901. You can verify this from the prime factorization 17 × 53: add 1 to each exponent and multiply, giving 2 × 2 = 4.

Explore more

Try another number in the factor calculator, break 901 down further with the prime factorization calculator, or compare 901 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.