Q: What are the prime factors of the number 1,117,200?

 A: 2, 3, 5, 7, 19

Why are those the prime factors of the number 1,117,200?

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 1,117,200

1,117,200
Factor Arrows
2558,600
Factor Arrows
2279,300
Factor Arrows
2139,650
Factor Arrows
269,825
Factor Arrows
323,275
Factor Arrows
54,655
Factor Arrows
5931
Factor Arrows
7133
Factor Arrows
719

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, 7, 19

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 5 x 7 x 7 x 19 = 1,117,200

This can also be written as 24 x 31 x 52 x 72 x 191 = 1,117,200

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 1,117,200:


Ask a Question