Q: What are the prime factors of the number 15,542,016?

 A: 2, 3, 7, 59

Why are those the prime factors of the number 15,542,016?

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 15,542,016

15,542,016
Factor Arrows
27,771,008
Factor Arrows
23,885,504
Factor Arrows
21,942,752
Factor Arrows
2971,376
Factor Arrows
2485,688
Factor Arrows
2242,844
Factor Arrows
2121,422
Factor Arrows
260,711
Factor Arrows
320,237
Factor Arrows
72,891
Factor Arrows
7413
Factor Arrows
759

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, 7, 59

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 2 x 2 x 3 x 7 x 7 x 7 x 59 = 15,542,016

This can also be written as 28 x 31 x 73 x 591 = 15,542,016

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 15,542,016:


Ask a Question