Q: What are the prime factors of the number 56,156,540?

 A: 2, 5, 11, 47, 5431

Why are those the prime factors of the number 56,156,540?

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 56,156,540

56,156,540
Factor Arrows
228,078,270
Factor Arrows
214,039,135
Factor Arrows
52,807,827
Factor Arrows
11255,257
Factor Arrows
475,431

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, 11, 47, 5431

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 47 x 5,431 = 56,156,540

This can also be written as 22 x 51 x 111 x 471 x 5,4311 = 56,156,540

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 56,156,540:


Ask a Question