Q: What are the prime factors of the number 14,021,742?

 A: 2, 3, 7, 37, 1289

Why are those the prime factors of the number 14,021,742?

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 14,021,742

14,021,742
Factor Arrows
27,010,871
Factor Arrows
32,336,957
Factor Arrows
7333,851
Factor Arrows
747,693
Factor Arrows
371,289

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, 7, 37, 1289

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 7 x 37 x 1,289 = 14,021,742

This can also be written as 21 x 31 x 72 x 371 x 1,2891 = 14,021,742

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 14,021,742:


Ask a Question