Q: What are the prime factors of the number 553,005,453?

 A: 3, 7, 11, 13, 16741

Why are those the prime factors of the number 553,005,453?

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 553,005,453

553,005,453
Factor Arrows
3184,335,151
Factor Arrows
726,333,593
Factor Arrows
112,393,963
Factor Arrows
11217,633
Factor Arrows
1316,741

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, 13, 16741

We can check our work by multiplying all of the prime factors together: 3 x 7 x 11 x 11 x 13 x 16,741 = 553,005,453

This can also be written as 31 x 71 x 112 x 131 x 16,7411 = 553,005,453

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


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