Q: What are the prime factors of the number 174,047,643?

 A: 3, 7, 11, 83717

Why are those the prime factors of the number 174,047,643?

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 174,047,643

174,047,643
Factor Arrows
358,015,881
Factor Arrows
319,338,627
Factor Arrows
36,446,209
Factor Arrows
7920,887
Factor Arrows
1183,717

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:

3, 7, 11, 83717

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 11 x 83,717 = 174,047,643

This can also be written as 33 x 71 x 111 x 83,7171 = 174,047,643

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


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