Q: What are the prime factors of the number 66,487,056?

 A: 2, 3, 1385147

Why are those the prime factors of the number 66,487,056?

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 66,487,056

66,487,056
Factor Arrows
233,243,528
Factor Arrows
216,621,764
Factor Arrows
28,310,882
Factor Arrows
24,155,441
Factor Arrows
31,385,147

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, 3, 1385147

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 1,385,147 = 66,487,056

This can also be written as 24 x 31 x 1,385,1471 = 66,487,056

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 66,487,056:


Ask a Question