Q: What are the prime factors of the number 54,651,660?

 A: 2, 3, 5, 7, 29, 641

Why are those the prime factors of the number 54,651,660?

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 54,651,660

54,651,660
Factor Arrows
227,325,830
Factor Arrows
213,662,915
Factor Arrows
34,554,305
Factor Arrows
5910,861
Factor Arrows
7130,123
Factor Arrows
718,589
Factor Arrows
29641

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, 7, 29, 641

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 7 x 7 x 29 x 641 = 54,651,660

This can also be written as 22 x 31 x 51 x 72 x 291 x 6411 = 54,651,660

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


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