Q: What are the prime factors of the number 40,036,856?

 A: 2, 47, 233, 457

Why are those the prime factors of the number 40,036,856?

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 40,036,856

40,036,856
Factor Arrows
220,018,428
Factor Arrows
210,009,214
Factor Arrows
25,004,607
Factor Arrows
47106,481
Factor Arrows
233457

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, 47, 233, 457

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 47 x 233 x 457 = 40,036,856

This can also be written as 23 x 471 x 2331 x 4571 = 40,036,856

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 40,036,856:


Ask a Question