Factor Calculator

Factors of 1150

The factors of 1150 are 1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, and 1150. In total, 1150 has 12 factors. Its prime factorization is 2 × 5² × 23, and the sum of all its factors is 2232.

All factors of 1150

Here are all 12 factors of 1150, listed from smallest to largest.

12510232546501152305751150

Factor pairs of 1150

These 6 pairs of whole numbers each multiply to give 1150.

1 × 1150 = 1150
2 × 575 = 1150
5 × 230 = 1150
10 × 115 = 1150
23 × 50 = 1150
25 × 46 = 1150

Prime factorization of 1150

Dividing 1150 by the smallest prime at each step gives its prime factorization:

1150 ÷ 2 = 575
575 ÷ 5 = 115
115 ÷ 5 = 23
23 ÷ 23 = 1
Result: 1150 = 2 × 5 × 5 × 23 = 2 × 5² × 23

The distinct prime factors of 1150 are 2, 5, 23. To factorize any other number, use the prime factorization calculator.

Factor tree of 1150

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

Factor tree of 1150115025755115523
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 1150

Number of factors12
Sum of factors2232
Sum of proper factors1082
Prime factorization2 × 5² × 23
Prime or composite?Composite
Even or odd?Even
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 1150 interesting

  • 1150 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 6 different ways.
  • 1150 is a deficient number: its proper factors sum to 1082, which is 68 less than 1150 itself.
  • 1150 has 3 distinct prime factors (2, 5, 23), which is why it has so many divisors.

How to find the factors of 1150 yourself

Divide 1150 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 √115033.91, because every factor above that pairs with one below it.

1150 ÷ 1 = 1150
1150 ÷ 2 = 575
1150 ÷ 5 = 230
1150 ÷ 10 = 115
1150 ÷ 23 = 50
1150 ÷ 25 = 46

Reading both columns gives every factor: 1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150. The factor calculator does this automatically for any number.

Frequently asked questions about 1150

What are the factors of 1150?

The factors of 1150 are 1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, and 1150. That is 12 factors in total, counting both 1 and 1150.

Is 1150 a prime number?

No, 1150 is not prime — it is a composite number with 12 factors. A prime number has exactly two factors, but 1150 is also divisible by 2.

What is the prime factorization of 1150?

The prime factorization of 1150 is 2 × 5² × 23. Written out in full: 2 × 5 × 5 × 23 = 1150. Its distinct prime factors are 2, 5, 23.

What two numbers multiply to give 1150?

There are 6 pairs of whole numbers that multiply to 1150: 1 × 1150, 2 × 575, 5 × 230, 10 × 115, 23 × 50, 25 × 46.

What is the sum of the factors of 1150?

Adding all the factors of 1150 together gives 2232. Excluding 1150 itself, the proper factors sum to 1082.

Is 1150 a perfect square?

No, 1150 is not a perfect square. There is no whole number that multiplies by itself to give 1150. The nearest perfect squares are 1089 and 1156.

What is the largest factor of 1150 other than itself?

The largest factor of 1150 apart from 1150 itself is 575, since 1150 ÷ 575 = 2.

How many factors does 1150 have?

1150 has 12 factors: 1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, and 1150. You can verify this from the prime factorization 2 × 5² × 23: add 1 to each exponent and multiply, giving 2 × 3 × 2 = 12.

Explore more

Try another number in the factor calculator, break 1150 down further with the prime factorization calculator, or compare 1150 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.