Q: What are the prime factors of the number 57,477,945?

 A: 3, 5, 7, 19, 47, 613

Why are those the prime factors of the number 57,477,945?

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 57,477,945

57,477,945
Factor Arrows
319,159,315
Factor Arrows
53,831,863
Factor Arrows
7547,409
Factor Arrows
1928,811
Factor Arrows
47613

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:

3, 5, 7, 19, 47, 613

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 19 x 47 x 613 = 57,477,945

This can also be written as 31 x 51 x 71 x 191 x 471 x 6131 = 57,477,945

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 57,477,945:


Ask a Question