Q: What are the prime factors of the number 555,526,528?

 A: 2, 173, 25087

Why are those the prime factors of the number 555,526,528?

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 555,526,528

555,526,528
Factor Arrows
2277,763,264
Factor Arrows
2138,881,632
Factor Arrows
269,440,816
Factor Arrows
234,720,408
Factor Arrows
217,360,204
Factor Arrows
28,680,102
Factor Arrows
24,340,051
Factor Arrows
17325,087

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, 173, 25087

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 173 x 25,087 = 555,526,528

This can also be written as 27 x 1731 x 25,0871 = 555,526,528

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


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