Q: What are the prime factors of the number 84,362,432?

 A: 2, 7, 11, 17, 19, 53

Why are those the prime factors of the number 84,362,432?

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 84,362,432

84,362,432
Factor Arrows
242,181,216
Factor Arrows
221,090,608
Factor Arrows
210,545,304
Factor Arrows
25,272,652
Factor Arrows
22,636,326
Factor Arrows
21,318,163
Factor Arrows
7188,309
Factor Arrows
1117,119
Factor Arrows
171,007
Factor Arrows
1953

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, 11, 17, 19, 53

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 11 x 17 x 19 x 53 = 84,362,432

This can also be written as 26 x 71 x 111 x 171 x 191 x 531 = 84,362,432

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 84,362,432:


Ask a Question