Q: What are the prime factors of the number 919,576?

 A: 2, 7, 16421

Why are those the prime factors of the number 919,576?

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 919,576

919,576
Factor Arrows
2459,788
Factor Arrows
2229,894
Factor Arrows
2114,947
Factor Arrows
716,421

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, 7, 16421

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 16,421 = 919,576

This can also be written as 23 x 71 x 16,4211 = 919,576

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 919,576:


Ask a Question