Q: What are the prime factors of the number 71,053,520?

 A: 2, 5, 103, 8623

Why are those the prime factors of the number 71,053,520?

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 71,053,520

71,053,520
Factor Arrows
235,526,760
Factor Arrows
217,763,380
Factor Arrows
28,881,690
Factor Arrows
24,440,845
Factor Arrows
5888,169
Factor Arrows
1038,623

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, 103, 8623

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 103 x 8,623 = 71,053,520

This can also be written as 24 x 51 x 1031 x 8,6231 = 71,053,520

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 71,053,520:


Ask a Question