Q: What are the prime factors of the number 7,123,424?

 A: 2, 7, 11, 59

Why are those the prime factors of the number 7,123,424?

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 7,123,424

7,123,424
Factor Arrows
23,561,712
Factor Arrows
21,780,856
Factor Arrows
2890,428
Factor Arrows
2445,214
Factor Arrows
2222,607
Factor Arrows
731,801
Factor Arrows
74,543
Factor Arrows
7649
Factor Arrows
1159

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, 59

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 7 x 7 x 11 x 59 = 7,123,424

This can also be written as 25 x 73 x 111 x 591 = 7,123,424

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 7,123,424:


Ask a Question