Q: What are the prime factors of the number 550,531,410?

 A: 2, 3, 5, 11, 13, 181, 709

Why are those the prime factors of the number 550,531,410?

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 550,531,410

550,531,410
Factor Arrows
2275,265,705
Factor Arrows
391,755,235
Factor Arrows
518,351,047
Factor Arrows
111,668,277
Factor Arrows
13128,329
Factor Arrows
181709

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, 5, 11, 13, 181, 709

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 11 x 13 x 181 x 709 = 550,531,410

This can also be written as 21 x 31 x 51 x 111 x 131 x 1811 x 7091 = 550,531,410

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


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