Q: What are the prime factors of the number 947,424?

 A: 2, 3, 71, 139

Why are those the prime factors of the number 947,424?

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 947,424

947,424
Factor Arrows
2473,712
Factor Arrows
2236,856
Factor Arrows
2118,428
Factor Arrows
259,214
Factor Arrows
229,607
Factor Arrows
39,869
Factor Arrows
71139

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, 71, 139

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 71 x 139 = 947,424

This can also be written as 25 x 31 x 711 x 1391 = 947,424

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 947,424:


Ask a Question