Q: What are the prime factors of the number 551,272?

 A: 2, 68909

Why are those the prime factors of the number 551,272?

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 551,272

551,272
Factor Arrows
2275,636
Factor Arrows
2137,818
Factor Arrows
268,909

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, 68909

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 68,909 = 551,272

This can also be written as 23 x 68,9091 = 551,272

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


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