Q: What are the prime factors of the number 43,400,736?

 A: 2, 3, 150697

Why are those the prime factors of the number 43,400,736?

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 43,400,736

43,400,736
Factor Arrows
221,700,368
Factor Arrows
210,850,184
Factor Arrows
25,425,092
Factor Arrows
22,712,546
Factor Arrows
21,356,273
Factor Arrows
3452,091
Factor Arrows
3150,697

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, 150697

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 150,697 = 43,400,736

This can also be written as 25 x 32 x 150,6971 = 43,400,736

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 43,400,736:


Ask a Question