Q: What are the prime factors of the number 543,443,328?

 A: 2, 3, 47, 10037

Why are those the prime factors of the number 543,443,328?

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 543,443,328

543,443,328
Factor Arrows
2271,721,664
Factor Arrows
2135,860,832
Factor Arrows
267,930,416
Factor Arrows
233,965,208
Factor Arrows
216,982,604
Factor Arrows
28,491,302
Factor Arrows
24,245,651
Factor Arrows
31,415,217
Factor Arrows
3471,739
Factor Arrows
4710,037

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, 47, 10037

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 3 x 3 x 47 x 10,037 = 543,443,328

This can also be written as 27 x 32 x 471 x 10,0371 = 543,443,328

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


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