Q: What are the prime factors of the number 552,320,160?

 A: 2, 3, 5, 7, 23, 1021

Why are those the prime factors of the number 552,320,160?

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 552,320,160

552,320,160
Factor Arrows
2276,160,080
Factor Arrows
2138,080,040
Factor Arrows
269,040,020
Factor Arrows
234,520,010
Factor Arrows
217,260,005
Factor Arrows
35,753,335
Factor Arrows
51,150,667
Factor Arrows
7164,381
Factor Arrows
723,483
Factor Arrows
231,021

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, 7, 23, 1021

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 7 x 7 x 23 x 1,021 = 552,320,160

This can also be written as 25 x 31 x 51 x 72 x 231 x 1,0211 = 552,320,160

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


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