Q: What are the prime factors of the number 500,544?

 A: 2, 3, 11, 79

Why are those the prime factors of the number 500,544?

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 500,544

500,544
Factor Arrows
2250,272
Factor Arrows
2125,136
Factor Arrows
262,568
Factor Arrows
231,284
Factor Arrows
215,642
Factor Arrows
27,821
Factor Arrows
32,607
Factor Arrows
3869
Factor Arrows
1179

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, 11, 79

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 3 x 3 x 11 x 79 = 500,544

This can also be written as 26 x 32 x 111 x 791 = 500,544

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


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