Q: What are the prime factors of the number 20,137,760?

 A: 2, 5, 43, 2927

Why are those the prime factors of the number 20,137,760?

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 20,137,760

20,137,760
Factor Arrows
210,068,880
Factor Arrows
25,034,440
Factor Arrows
22,517,220
Factor Arrows
21,258,610
Factor Arrows
2629,305
Factor Arrows
5125,861
Factor Arrows
432,927

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, 43, 2927

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 43 x 2,927 = 20,137,760

This can also be written as 25 x 51 x 431 x 2,9271 = 20,137,760

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 20,137,760:


Ask a Question