Q: What are the prime factors of the number 122,142,336?

 A: 2, 3, 19, 16741

Why are those the prime factors of the number 122,142,336?

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 122,142,336

122,142,336
Factor Arrows
261,071,168
Factor Arrows
230,535,584
Factor Arrows
215,267,792
Factor Arrows
27,633,896
Factor Arrows
23,816,948
Factor Arrows
21,908,474
Factor Arrows
2954,237
Factor Arrows
3318,079
Factor Arrows
1916,741

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, 19, 16741

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 2 x 3 x 19 x 16,741 = 122,142,336

This can also be written as 27 x 31 x 191 x 16,7411 = 122,142,336

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 122,142,336:


Ask a Question