Q: What are the prime factors of the number 47,376?

 A: 2, 3, 7, 47

Why are those the prime factors of the number 47,376?

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 47,376

47,376
Factor Arrows
223,688
Factor Arrows
211,844
Factor Arrows
25,922
Factor Arrows
22,961
Factor Arrows
3987
Factor Arrows
3329
Factor Arrows
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, 7, 47

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 7 x 47 = 47,376

This can also be written as 24 x 32 x 71 x 471 = 47,376

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 47,376:


Ask a Question