Q: What are the prime factors of the number 553,112?

 A: 2, 7, 17, 83

Why are those the prime factors of the number 553,112?

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 553,112

553,112
Factor Arrows
2276,556
Factor Arrows
2138,278
Factor Arrows
269,139
Factor Arrows
79,877
Factor Arrows
71,411
Factor Arrows
1783

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, 7, 17, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 17 x 83 = 553,112

This can also be written as 23 x 72 x 171 x 831 = 553,112

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


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