Q: What are the prime factors of the number 100,032,240?

 A: 2, 3, 5, 7, 11, 5413

Why are those the prime factors of the number 100,032,240?

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 100,032,240

100,032,240
Factor Arrows
250,016,120
Factor Arrows
225,008,060
Factor Arrows
212,504,030
Factor Arrows
26,252,015
Factor Arrows
32,084,005
Factor Arrows
5416,801
Factor Arrows
759,543
Factor Arrows
115,413

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, 5, 7, 11, 5413

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 7 x 11 x 5,413 = 100,032,240

This can also be written as 24 x 31 x 51 x 71 x 111 x 5,4131 = 100,032,240

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 100,032,240:


Ask a Question