Q: What are the prime factors of the number 2,900,160?

 A: 2, 3, 5, 19, 53

Why are those the prime factors of the number 2,900,160?

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 2,900,160

2,900,160
Factor Arrows
21,450,080
Factor Arrows
2725,040
Factor Arrows
2362,520
Factor Arrows
2181,260
Factor Arrows
290,630
Factor Arrows
245,315
Factor Arrows
315,105
Factor Arrows
35,035
Factor Arrows
51,007
Factor Arrows
1953

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, 19, 53

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 3 x 5 x 19 x 53 = 2,900,160

This can also be written as 26 x 32 x 51 x 191 x 531 = 2,900,160

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 2,900,160:


Ask a Question