Q: What are the prime factors of the number 703,570?

 A: 2, 5, 7, 19, 23

Why are those the prime factors of the number 703,570?

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 703,570

703,570
Factor Arrows
2351,785
Factor Arrows
570,357
Factor Arrows
710,051
Factor Arrows
19529
Factor Arrows
2323

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, 7, 19, 23

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 19 x 23 x 23 = 703,570

This can also be written as 21 x 51 x 71 x 191 x 232 = 703,570

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 703,570:


Ask a Question