Q: What are the prime factors of the number 17,278,560?

 A: 2, 3, 5, 13, 71

Why are those the prime factors of the number 17,278,560?

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 17,278,560

17,278,560
Factor Arrows
28,639,280
Factor Arrows
24,319,640
Factor Arrows
22,159,820
Factor Arrows
21,079,910
Factor Arrows
2539,955
Factor Arrows
3179,985
Factor Arrows
359,995
Factor Arrows
511,999
Factor Arrows
13923
Factor Arrows
1371

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, 13, 71

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 13 x 13 x 71 = 17,278,560

This can also be written as 25 x 32 x 51 x 132 x 711 = 17,278,560

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 17,278,560:


Ask a Question