Q: What are the prime factors of the number 71,415,760?

 A: 2, 5, 13, 68669

Why are those the prime factors of the number 71,415,760?

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 71,415,760

71,415,760
Factor Arrows
235,707,880
Factor Arrows
217,853,940
Factor Arrows
28,926,970
Factor Arrows
24,463,485
Factor Arrows
5892,697
Factor Arrows
1368,669

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, 13, 68669

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 13 x 68,669 = 71,415,760

This can also be written as 24 x 51 x 131 x 68,6691 = 71,415,760

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 71,415,760:


Ask a Question