Q: What are the prime factors of the number 17,426,240?

 A: 2, 5, 13, 59, 71

Why are those the prime factors of the number 17,426,240?

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 17,426,240

17,426,240
Factor Arrows
28,713,120
Factor Arrows
24,356,560
Factor Arrows
22,178,280
Factor Arrows
21,089,140
Factor Arrows
2544,570
Factor Arrows
2272,285
Factor Arrows
554,457
Factor Arrows
134,189
Factor Arrows
5971

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, 13, 59, 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 5 x 13 x 59 x 71 = 17,426,240

This can also be written as 26 x 51 x 131 x 591 x 711 = 17,426,240

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 17,426,240:


Ask a Question