Q: What are the prime factors of the number 100,638,076?

 A: 2, 7, 11, 37, 8831

Why are those the prime factors of the number 100,638,076?

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 100,638,076

100,638,076
Factor Arrows
250,319,038
Factor Arrows
225,159,519
Factor Arrows
73,594,217
Factor Arrows
11326,747
Factor Arrows
378,831

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, 37, 8831

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 11 x 37 x 8,831 = 100,638,076

This can also be written as 22 x 71 x 111 x 371 x 8,8311 = 100,638,076

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 100,638,076:


Ask a Question