Q: What are the prime factors of the number 71,443,216?

 A: 2, 13, 97, 3541

Why are those the prime factors of the number 71,443,216?

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 71,443,216

71,443,216
Factor Arrows
235,721,608
Factor Arrows
217,860,804
Factor Arrows
28,930,402
Factor Arrows
24,465,201
Factor Arrows
13343,477
Factor Arrows
973,541

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, 13, 97, 3541

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 97 x 3,541 = 71,443,216

This can also be written as 24 x 131 x 971 x 3,5411 = 71,443,216

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 71,443,216:


Ask a Question