Q: What are the prime factors of the number 51,443,532?

 A: 2, 3, 7, 9721

Why are those the prime factors of the number 51,443,532?

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 51,443,532

51,443,532
Factor Arrows
225,721,766
Factor Arrows
212,860,883
Factor Arrows
34,286,961
Factor Arrows
31,428,987
Factor Arrows
3476,329
Factor Arrows
768,047
Factor Arrows
79,721

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, 3, 7, 9721

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 7 x 7 x 9,721 = 51,443,532

This can also be written as 22 x 33 x 72 x 9,7211 = 51,443,532

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 51,443,532:


Ask a Question