Factor Calculator

Factors of 1112

The factors of 1112 are 1, 2, 4, 8, 139, 278, 556, and 1112. In total, 1112 has 8 factors. Its prime factorization is 2³ × 139, and the sum of all its factors is 2100.

All factors of 1112

Here are all 8 factors of 1112, listed from smallest to largest.

12481392785561112

Factor pairs of 1112

These 4 pairs of whole numbers each multiply to give 1112.

1 × 1112 = 1112
2 × 556 = 1112
4 × 278 = 1112
8 × 139 = 1112

Prime factorization of 1112

Dividing 1112 by the smallest prime at each step gives its prime factorization:

1112 ÷ 2 = 556
556 ÷ 2 = 278
278 ÷ 2 = 139
139 ÷ 139 = 1
Result: 1112 = 2 × 2 × 2 × 139 = 2³ × 139

The distinct prime factors of 1112 are 2, 139. To factorize any other number, use the prime factorization calculator.

Factor tree of 1112

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

Factor tree of 11121112255622782139
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 1112

Number of factors8
Sum of factors2100
Sum of proper factors988
Prime factorization2³ × 139
Prime or composite?Composite
Even or odd?Even
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 1112 interesting

  • 1112 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 4 different ways.
  • 1112 is a deficient number: its proper factors sum to 988, which is 124 less than 1112 itself.

How to find the factors of 1112 yourself

Divide 1112 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 √111233.35, because every factor above that pairs with one below it.

1112 ÷ 1 = 1112
1112 ÷ 2 = 556
1112 ÷ 4 = 278
1112 ÷ 8 = 139

Reading both columns gives every factor: 1, 2, 4, 8, 139, 278, 556, 1112. The factor calculator does this automatically for any number.

Frequently asked questions about 1112

What are the factors of 1112?

The factors of 1112 are 1, 2, 4, 8, 139, 278, 556, and 1112. That is 8 factors in total, counting both 1 and 1112.

Is 1112 a prime number?

No, 1112 is not prime — it is a composite number with 8 factors. A prime number has exactly two factors, but 1112 is also divisible by 2.

What is the prime factorization of 1112?

The prime factorization of 1112 is 2³ × 139. Written out in full: 2 × 2 × 2 × 139 = 1112. Its distinct prime factors are 2, 139.

What two numbers multiply to give 1112?

There are 4 pairs of whole numbers that multiply to 1112: 1 × 1112, 2 × 556, 4 × 278, 8 × 139.

What is the sum of the factors of 1112?

Adding all the factors of 1112 together gives 2100. Excluding 1112 itself, the proper factors sum to 988.

Is 1112 a perfect square?

No, 1112 is not a perfect square. There is no whole number that multiplies by itself to give 1112. The nearest perfect squares are 1089 and 1156.

What is the largest factor of 1112 other than itself?

The largest factor of 1112 apart from 1112 itself is 556, since 1112 ÷ 556 = 2.

How many factors does 1112 have?

1112 has 8 factors: 1, 2, 4, 8, 139, 278, 556, and 1112. You can verify this from the prime factorization 2³ × 139: add 1 to each exponent and multiply, giving 4 × 2 = 8.

Explore more

Try another number in the factor calculator, break 1112 down further with the prime factorization calculator, or compare 1112 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.