Q: What are the prime factors of the number 553,211,008?

 A: 2, 7, 17, 36319

Why are those the prime factors of the number 553,211,008?

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 553,211,008

553,211,008
Factor Arrows
2276,605,504
Factor Arrows
2138,302,752
Factor Arrows
269,151,376
Factor Arrows
234,575,688
Factor Arrows
217,287,844
Factor Arrows
28,643,922
Factor Arrows
24,321,961
Factor Arrows
7617,423
Factor Arrows
1736,319

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, 7, 17, 36319

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 7 x 17 x 36,319 = 553,211,008

This can also be written as 27 x 71 x 171 x 36,3191 = 553,211,008

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


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