Factor Calculator

Factors of 79

The factors of 79 are 1 and 79. Since 79 is a prime number, it has exactly 2 factors and cannot be divided evenly by any other whole number. The sum of its factors is 80, and its prime factorization is simply 79 itself.

All factors of 79

Here are all 2 factors of 79, listed from smallest to largest.

179

Factor pairs of 79

There is only one factor pair for 79, because it is prime.

1 × 79 = 79

Prime factorization of 79

79 is a prime number, so it cannot be broken down further. Its prime factorization is simply 79.

Properties of 79

Number of factors2
Sum of factors80
Sum of proper factors1
Prime factorization79
Prime or composite?Prime
Even or odd?Odd
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 79 interesting

  • 79 is a prime number, so its only factors are 1 and 79. It cannot be split into a product of two smaller whole numbers.
  • Every prime number is deficient — the sum of its proper factors is always 1, which is far less than the number itself.

How to find the factors of 79 yourself

Divide 79 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 √798.89, because every factor above that pairs with one below it.

79 ÷ 1 = 79

Reading both columns gives every factor: 1, 79. The factor calculator does this automatically for any number.

Frequently asked questions about 79

What are the factors of 79?

The factors of 79 are 1 and 79. That is 2 factors in total, counting both 1 and 79.

Is 79 a prime number?

Yes, 79 is a prime number. It has exactly two factors: 1 and 79. No other whole number divides it evenly.

What is the prime factorization of 79?

79 is already prime, so its prime factorization is simply 79. It cannot be broken down any further.

What two numbers multiply to give 79?

There is 1 pair of whole numbers that multiply to 79: 1 × 79.

What is the sum of the factors of 79?

Adding all the factors of 79 together gives 80. Excluding 79 itself, the proper factors sum to 1.

Is 79 a perfect square?

No, 79 is not a perfect square. There is no whole number that multiplies by itself to give 79. The nearest perfect squares are 64 and 81.

What is the largest factor of 79 other than itself?

The largest factor of 79 apart from 79 itself is 1, since 79 ÷ 1 = 79.

How many factors does 79 have?

79 has 2 factors: 1 and 79.

Explore more

Try another number in the factor calculator, break 79 down further with the prime factorization calculator, or compare 79 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.