Factor Calculator

Factors of 1009

The factors of 1009 are 1 and 1009. Since 1009 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 1010, and its prime factorization is simply 1009 itself.

All factors of 1009

Here are all 2 factors of 1009, listed from smallest to largest.

11009

Factor pairs of 1009

There is only one factor pair for 1009, because it is prime.

1 × 1009 = 1009

Prime factorization of 1009

1009 is a prime number, so it cannot be broken down further. Its prime factorization is simply 1009.

Properties of 1009

Number of factors2
Sum of factors1010
Sum of proper factors1
Prime factorization1009
Prime or composite?Prime
Even or odd?Odd
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 1009 interesting

  • 1009 is a prime number, so its only factors are 1 and 1009. 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 1009 yourself

Divide 1009 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 √100931.76, because every factor above that pairs with one below it.

1009 ÷ 1 = 1009

Reading both columns gives every factor: 1, 1009. The factor calculator does this automatically for any number.

Frequently asked questions about 1009

What are the factors of 1009?

The factors of 1009 are 1 and 1009. That is 2 factors in total, counting both 1 and 1009.

Is 1009 a prime number?

Yes, 1009 is a prime number. It has exactly two factors: 1 and 1009. No other whole number divides it evenly.

What is the prime factorization of 1009?

1009 is already prime, so its prime factorization is simply 1009. It cannot be broken down any further.

What two numbers multiply to give 1009?

There is 1 pair of whole numbers that multiply to 1009: 1 × 1009.

What is the sum of the factors of 1009?

Adding all the factors of 1009 together gives 1010. Excluding 1009 itself, the proper factors sum to 1.

Is 1009 a perfect square?

No, 1009 is not a perfect square. There is no whole number that multiplies by itself to give 1009. The nearest perfect squares are 961 and 1024.

What is the largest factor of 1009 other than itself?

The largest factor of 1009 apart from 1009 itself is 1, since 1009 ÷ 1 = 1009.

How many factors does 1009 have?

1009 has 2 factors: 1 and 1009.

Explore more

Try another number in the factor calculator, break 1009 down further with the prime factorization calculator, or compare 1009 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.