Q: What are the prime factors of the number 45,421,656?

 A: 2, 3, 7, 29, 9323

Why are those the prime factors of the number 45,421,656?

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 45,421,656

45,421,656
Factor Arrows
222,710,828
Factor Arrows
211,355,414
Factor Arrows
25,677,707
Factor Arrows
31,892,569
Factor Arrows
7270,367
Factor Arrows
299,323

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, 29, 9323

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 29 x 9,323 = 45,421,656

This can also be written as 23 x 31 x 71 x 291 x 9,3231 = 45,421,656

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 45,421,656:


Ask a Question