Q: What are the prime factors of the number 552,138?

 A: 2, 3, 23, 4001

Why are those the prime factors of the number 552,138?

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 552,138

552,138
Factor Arrows
2276,069
Factor Arrows
392,023
Factor Arrows
234,001

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, 23, 4001

We can check our work by multiplying all of the prime factors together: 2 x 3 x 23 x 4,001 = 552,138

This can also be written as 21 x 31 x 231 x 4,0011 = 552,138

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


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