Q: What are the prime factors of the number 556,108,668?

 A: 2, 3, 37, 89, 4691

Why are those the prime factors of the number 556,108,668?

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 556,108,668

556,108,668
Factor Arrows
2278,054,334
Factor Arrows
2139,027,167
Factor Arrows
346,342,389
Factor Arrows
315,447,463
Factor Arrows
37417,499
Factor Arrows
894,691

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, 3, 37, 89, 4691

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 37 x 89 x 4,691 = 556,108,668

This can also be written as 22 x 32 x 371 x 891 x 4,6911 = 556,108,668

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


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