Q: What are the prime factors of the number 2,435,520?

 A: 2, 3, 5, 43, 59

Why are those the prime factors of the number 2,435,520?

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 2,435,520

2,435,520
Factor Arrows
21,217,760
Factor Arrows
2608,880
Factor Arrows
2304,440
Factor Arrows
2152,220
Factor Arrows
276,110
Factor Arrows
238,055
Factor Arrows
312,685
Factor Arrows
52,537
Factor Arrows
4359

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, 5, 43, 59

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 3 x 5 x 43 x 59 = 2,435,520

This can also be written as 26 x 31 x 51 x 431 x 591 = 2,435,520

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 2,435,520:


Ask a Question