Factor Calculator

Factors of 1078

The factors of 1078 are 1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, and 1078. In total, 1078 has 12 factors. Its prime factorization is 2 × 7² × 11, and the sum of all its factors is 2052.

All factors of 1078

Here are all 12 factors of 1078, listed from smallest to largest.

1271114224977981545391078

Factor pairs of 1078

These 6 pairs of whole numbers each multiply to give 1078.

1 × 1078 = 1078
2 × 539 = 1078
7 × 154 = 1078
11 × 98 = 1078
14 × 77 = 1078
22 × 49 = 1078

Prime factorization of 1078

Dividing 1078 by the smallest prime at each step gives its prime factorization:

1078 ÷ 2 = 539
539 ÷ 7 = 77
77 ÷ 7 = 11
11 ÷ 11 = 1
Result: 1078 = 2 × 7 × 7 × 11 = 2 × 7² × 11

The distinct prime factors of 1078 are 2, 7, 11. To factorize any other number, use the prime factorization calculator.

Factor tree of 1078

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

Factor tree of 107810782539777711
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 1078

Number of factors12
Sum of factors2052
Sum of proper factors974
Prime factorization2 × 7² × 11
Prime or composite?Composite
Even or odd?Even
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 1078 interesting

  • 1078 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.
  • 1078 is a deficient number: its proper factors sum to 974, which is 104 less than 1078 itself.
  • 1078 has 3 distinct prime factors (2, 7, 11), which is why it has so many divisors.

How to find the factors of 1078 yourself

Divide 1078 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 √107832.83, because every factor above that pairs with one below it.

1078 ÷ 1 = 1078
1078 ÷ 2 = 539
1078 ÷ 7 = 154
1078 ÷ 11 = 98
1078 ÷ 14 = 77
1078 ÷ 22 = 49

Reading both columns gives every factor: 1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078. The factor calculator does this automatically for any number.

Frequently asked questions about 1078

What are the factors of 1078?

The factors of 1078 are 1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, and 1078. That is 12 factors in total, counting both 1 and 1078.

Is 1078 a prime number?

No, 1078 is not prime — it is a composite number with 12 factors. A prime number has exactly two factors, but 1078 is also divisible by 2.

What is the prime factorization of 1078?

The prime factorization of 1078 is 2 × 7² × 11. Written out in full: 2 × 7 × 7 × 11 = 1078. Its distinct prime factors are 2, 7, 11.

What two numbers multiply to give 1078?

There are 6 pairs of whole numbers that multiply to 1078: 1 × 1078, 2 × 539, 7 × 154, 11 × 98, 14 × 77, 22 × 49.

What is the sum of the factors of 1078?

Adding all the factors of 1078 together gives 2052. Excluding 1078 itself, the proper factors sum to 974.

Is 1078 a perfect square?

No, 1078 is not a perfect square. There is no whole number that multiplies by itself to give 1078. The nearest perfect squares are 1024 and 1089.

What is the largest factor of 1078 other than itself?

The largest factor of 1078 apart from 1078 itself is 539, since 1078 ÷ 539 = 2.

How many factors does 1078 have?

1078 has 12 factors: 1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, and 1078. You can verify this from the prime factorization 2 × 7² × 11: add 1 to each exponent and multiply, giving 2 × 3 × 2 = 12.

Explore more

Try another number in the factor calculator, break 1078 down further with the prime factorization calculator, or compare 1078 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.