Q: What are the prime factors of the number 2,379,440?

 A: 2, 5, 7, 607

Why are those the prime factors of the number 2,379,440?

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 2,379,440

2,379,440
Factor Arrows
21,189,720
Factor Arrows
2594,860
Factor Arrows
2297,430
Factor Arrows
2148,715
Factor Arrows
529,743
Factor Arrows
74,249
Factor Arrows
7607

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, 607

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 7 x 607 = 2,379,440

This can also be written as 24 x 51 x 72 x 6071 = 2,379,440

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 2,379,440:


Ask a Question