Q: What are the prime factors of the number 555,220,352?

 A: 2, 263, 16493

Why are those the prime factors of the number 555,220,352?

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 555,220,352

555,220,352
Factor Arrows
2277,610,176
Factor Arrows
2138,805,088
Factor Arrows
269,402,544
Factor Arrows
234,701,272
Factor Arrows
217,350,636
Factor Arrows
28,675,318
Factor Arrows
24,337,659
Factor Arrows
26316,493

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, 263, 16493

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 263 x 16,493 = 555,220,352

This can also be written as 27 x 2631 x 16,4931 = 555,220,352

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


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