Q: What are the prime factors of the number 154,352,656?

 A: 2, 17, 19, 29867

Why are those the prime factors of the number 154,352,656?

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 154,352,656

154,352,656
Factor Arrows
277,176,328
Factor Arrows
238,588,164
Factor Arrows
219,294,082
Factor Arrows
29,647,041
Factor Arrows
17567,473
Factor Arrows
1929,867

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, 17, 19, 29867

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 17 x 19 x 29,867 = 154,352,656

This can also be written as 24 x 171 x 191 x 29,8671 = 154,352,656

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


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