Q: What are the prime factors of the number 7,433,728?

 A: 2, 14519

Why are those the prime factors of the number 7,433,728?

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 7,433,728

7,433,728
Factor Arrows
23,716,864
Factor Arrows
21,858,432
Factor Arrows
2929,216
Factor Arrows
2464,608
Factor Arrows
2232,304
Factor Arrows
2116,152
Factor Arrows
258,076
Factor Arrows
229,038
Factor Arrows
214,519

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, 14519

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 2 x 2 x 14,519 = 7,433,728

This can also be written as 29 x 14,5191 = 7,433,728

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 7,433,728:


Ask a Question