Q: What are the prime factors of the number 17,819,400?

 A: 2, 3, 5, 17, 1747

Why are those the prime factors of the number 17,819,400?

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 17,819,400

17,819,400
Factor Arrows
28,909,700
Factor Arrows
24,454,850
Factor Arrows
22,227,425
Factor Arrows
3742,475
Factor Arrows
5148,495
Factor Arrows
529,699
Factor Arrows
171,747

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, 17, 1747

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 5 x 17 x 1,747 = 17,819,400

This can also be written as 23 x 31 x 52 x 171 x 1,7471 = 17,819,400

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 17,819,400:


Ask a Question