Q: What are the prime factors of the number 66,156,648?

 A: 2, 3, 23, 119849

Why are those the prime factors of the number 66,156,648?

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 66,156,648

66,156,648
Factor Arrows
233,078,324
Factor Arrows
216,539,162
Factor Arrows
28,269,581
Factor Arrows
32,756,527
Factor Arrows
23119,849

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, 23, 119849

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 23 x 119,849 = 66,156,648

This can also be written as 23 x 31 x 231 x 119,8491 = 66,156,648

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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