Q: What are the prime factors of the number 47,121,856?

 A: 2, 736279

Why are those the prime factors of the number 47,121,856?

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 47,121,856

47,121,856
Factor Arrows
223,560,928
Factor Arrows
211,780,464
Factor Arrows
25,890,232
Factor Arrows
22,945,116
Factor Arrows
21,472,558
Factor Arrows
2736,279

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, 736279

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 736,279 = 47,121,856

This can also be written as 26 x 736,2791 = 47,121,856

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 47,121,856:


Ask a Question