Q: What are the prime factors of the number 153,672,660?

 A: 2, 3, 5, 23, 12373

Why are those the prime factors of the number 153,672,660?

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 153,672,660

153,672,660
Factor Arrows
276,836,330
Factor Arrows
238,418,165
Factor Arrows
312,806,055
Factor Arrows
34,268,685
Factor Arrows
31,422,895
Factor Arrows
5284,579
Factor Arrows
2312,373

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, 5, 23, 12373

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 5 x 23 x 12,373 = 153,672,660

This can also be written as 22 x 33 x 51 x 231 x 12,3731 = 153,672,660

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


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