Q: What are the prime factors of the number 556,227?

 A: 3, 7, 109

Why are those the prime factors of the number 556,227?

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 556,227

556,227
Factor Arrows
3185,409
Factor Arrows
361,803
Factor Arrows
320,601
Factor Arrows
36,867
Factor Arrows
32,289
Factor Arrows
3763
Factor Arrows
7109

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, 109

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 7 x 109 = 556,227

This can also be written as 36 x 71 x 1091 = 556,227

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


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