Q: What are the prime factors of the number 554,451,328?

 A: 2, 17, 254803

Why are those the prime factors of the number 554,451,328?

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 554,451,328

554,451,328
Factor Arrows
2277,225,664
Factor Arrows
2138,612,832
Factor Arrows
269,306,416
Factor Arrows
234,653,208
Factor Arrows
217,326,604
Factor Arrows
28,663,302
Factor Arrows
24,331,651
Factor Arrows
17254,803

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, 254803

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 17 x 254,803 = 554,451,328

This can also be written as 27 x 171 x 254,8031 = 554,451,328

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


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