Q: What are the prime factors of the number 919,632?

 A: 2, 3, 7, 17, 23

Why are those the prime factors of the number 919,632?

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 919,632

919,632
Factor Arrows
2459,816
Factor Arrows
2229,908
Factor Arrows
2114,954
Factor Arrows
257,477
Factor Arrows
319,159
Factor Arrows
72,737
Factor Arrows
7391
Factor Arrows
1723

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, 7, 17, 23

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 7 x 17 x 23 = 919,632

This can also be written as 24 x 31 x 72 x 171 x 231 = 919,632

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 919,632:


Ask a Question