Q: What are the prime factors of the number 47,640,636?

 A: 2, 3, 23, 2131

Why are those the prime factors of the number 47,640,636?

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 47,640,636

47,640,636
Factor Arrows
223,820,318
Factor Arrows
211,910,159
Factor Arrows
33,970,053
Factor Arrows
31,323,351
Factor Arrows
3441,117
Factor Arrows
3147,039
Factor Arrows
349,013
Factor Arrows
232,131

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, 23, 2131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 23 x 2,131 = 47,640,636

This can also be written as 22 x 35 x 231 x 2,1311 = 47,640,636

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 47,640,636:


Ask a Question