Q: What are the prime factors of the number 15,652,420?

 A: 2, 5, 7, 23, 4861

Why are those the prime factors of the number 15,652,420?

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 15,652,420

15,652,420
Factor Arrows
27,826,210
Factor Arrows
23,913,105
Factor Arrows
5782,621
Factor Arrows
7111,803
Factor Arrows
234,861

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, 7, 23, 4861

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 23 x 4,861 = 15,652,420

This can also be written as 22 x 51 x 71 x 231 x 4,8611 = 15,652,420

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 15,652,420:


Ask a Question