Q: What are the prime factors of the number 24,355,840?

 A: 2, 5, 67, 71

Why are those the prime factors of the number 24,355,840?

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 24,355,840

24,355,840
Factor Arrows
212,177,920
Factor Arrows
26,088,960
Factor Arrows
23,044,480
Factor Arrows
21,522,240
Factor Arrows
2761,120
Factor Arrows
2380,560
Factor Arrows
2190,280
Factor Arrows
295,140
Factor Arrows
247,570
Factor Arrows
223,785
Factor Arrows
54,757
Factor Arrows
6771

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, 5, 67, 71

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 2 x 5 x 67 x 71 = 24,355,840

This can also be written as 210 x 51 x 671 x 711 = 24,355,840

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 24,355,840:


Ask a Question