Q: What are the prime factors of the number 10,521,600?

 A: 2, 3, 5, 137

Why are those the prime factors of the number 10,521,600?

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 10,521,600

10,521,600
Factor Arrows
25,260,800
Factor Arrows
22,630,400
Factor Arrows
21,315,200
Factor Arrows
2657,600
Factor Arrows
2328,800
Factor Arrows
2164,400
Factor Arrows
282,200
Factor Arrows
241,100
Factor Arrows
220,550
Factor Arrows
210,275
Factor Arrows
33,425
Factor Arrows
5685
Factor Arrows
5137

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, 137

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 2 x 2 x 3 x 5 x 5 x 137 = 10,521,600

This can also be written as 210 x 31 x 52 x 1371 = 10,521,600

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 10,521,600:


Ask a Question