Factor Calculator

Factors of 1127

The factors of 1127 are 1, 7, 23, 49, 161, and 1127. In total, 1127 has 6 factors. Its prime factorization is 7² × 23, and the sum of all its factors is 1368.

All factors of 1127

Here are all 6 factors of 1127, listed from smallest to largest.

1723491611127

Factor pairs of 1127

These 3 pairs of whole numbers each multiply to give 1127.

1 × 1127 = 1127
7 × 161 = 1127
23 × 49 = 1127

Prime factorization of 1127

Dividing 1127 by the smallest prime at each step gives its prime factorization:

1127 ÷ 7 = 161
161 ÷ 7 = 23
23 ÷ 23 = 1
Result: 1127 = 7 × 7 × 23 = 7² × 23

The distinct prime factors of 1127 are 7, 23. To factorize any other number, use the prime factorization calculator.

Factor tree of 1127

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

Factor tree of 112711277161723
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 1127

Number of factors6
Sum of factors1368
Sum of proper factors241
Prime factorization7² × 23
Prime or composite?Composite
Even or odd?Odd
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 1127 interesting

  • 1127 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.
  • 1127 is a deficient number: its proper factors sum to 241, which is 886 less than 1127 itself.

How to find the factors of 1127 yourself

Divide 1127 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 √112733.57, because every factor above that pairs with one below it.

1127 ÷ 1 = 1127
1127 ÷ 7 = 161
1127 ÷ 23 = 49

Reading both columns gives every factor: 1, 7, 23, 49, 161, 1127. The factor calculator does this automatically for any number.

Frequently asked questions about 1127

What are the factors of 1127?

The factors of 1127 are 1, 7, 23, 49, 161, and 1127. That is 6 factors in total, counting both 1 and 1127.

Is 1127 a prime number?

No, 1127 is not prime — it is a composite number with 6 factors. A prime number has exactly two factors, but 1127 is also divisible by 7.

What is the prime factorization of 1127?

The prime factorization of 1127 is 7² × 23. Written out in full: 7 × 7 × 23 = 1127. Its distinct prime factors are 7, 23.

What two numbers multiply to give 1127?

There are 3 pairs of whole numbers that multiply to 1127: 1 × 1127, 7 × 161, 23 × 49.

What is the sum of the factors of 1127?

Adding all the factors of 1127 together gives 1368. Excluding 1127 itself, the proper factors sum to 241.

Is 1127 a perfect square?

No, 1127 is not a perfect square. There is no whole number that multiplies by itself to give 1127. The nearest perfect squares are 1089 and 1156.

What is the largest factor of 1127 other than itself?

The largest factor of 1127 apart from 1127 itself is 161, since 1127 ÷ 161 = 7.

How many factors does 1127 have?

1127 has 6 factors: 1, 7, 23, 49, 161, and 1127. You can verify this from the prime factorization 7² × 23: add 1 to each exponent and multiply, giving 3 × 2 = 6.

Explore more

Try another number in the factor calculator, break 1127 down further with the prime factorization calculator, or compare 1127 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.