Q: What are the prime factors of the number 56,405,500?

 A: 2, 5, 97, 1163

Why are those the prime factors of the number 56,405,500?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 56,405,500

56,405,500
Factor Arrows
228,202,750
Factor Arrows
214,101,375
Factor Arrows
52,820,275
Factor Arrows
5564,055
Factor Arrows
5112,811
Factor Arrows
971,163

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 5, 97, 1163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 97 x 1,163 = 56,405,500

This can also be written as 22 x 53 x 971 x 1,1631 = 56,405,500

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 56,405,500:


Ask a Question