Q: What are the prime factors of the number 140,424,032?

 A: 2, 7, 29, 21617

Why are those the prime factors of the number 140,424,032?

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 140,424,032

140,424,032
Factor Arrows
270,212,016
Factor Arrows
235,106,008
Factor Arrows
217,553,004
Factor Arrows
28,776,502
Factor Arrows
24,388,251
Factor Arrows
7626,893
Factor Arrows
2921,617

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, 7, 29, 21617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 29 x 21,617 = 140,424,032

This can also be written as 25 x 71 x 291 x 21,6171 = 140,424,032

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 140,424,032:


Ask a Question