Q: What are the prime factors of the number 554,566,140?

 A: 2, 3, 5, 317, 9719

Why are those the prime factors of the number 554,566,140?

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 554,566,140

554,566,140
Factor Arrows
2277,283,070
Factor Arrows
2138,641,535
Factor Arrows
346,213,845
Factor Arrows
315,404,615
Factor Arrows
53,080,923
Factor Arrows
3179,719

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, 317, 9719

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 317 x 9,719 = 554,566,140

This can also be written as 22 x 32 x 51 x 3171 x 9,7191 = 554,566,140

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


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