Q: What are the prime factors of the number 54,642,012?

 A: 2, 3, 17, 41, 47, 139

Why are those the prime factors of the number 54,642,012?

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 54,642,012

54,642,012
Factor Arrows
227,321,006
Factor Arrows
213,660,503
Factor Arrows
34,553,501
Factor Arrows
17267,853
Factor Arrows
416,533
Factor Arrows
47139

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, 17, 41, 47, 139

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 17 x 41 x 47 x 139 = 54,642,012

This can also be written as 22 x 31 x 171 x 411 x 471 x 1391 = 54,642,012

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


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