Q: What are the prime factors of the number 203,703,656?

 A: 2, 13, 17, 29, 137

Why are those the prime factors of the number 203,703,656?

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 203,703,656

203,703,656
Factor Arrows
2101,851,828
Factor Arrows
250,925,914
Factor Arrows
225,462,957
Factor Arrows
131,958,689
Factor Arrows
17115,217
Factor Arrows
293,973
Factor Arrows
29137

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, 13, 17, 29, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 13 x 17 x 29 x 29 x 137 = 203,703,656

This can also be written as 23 x 131 x 171 x 292 x 1371 = 203,703,656

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 203,703,656:


Ask a Question