Q: What are the prime factors of the number 515,484?

 A: 2, 3, 37, 43

Why are those the prime factors of the number 515,484?

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 515,484

515,484
Factor Arrows
2257,742
Factor Arrows
2128,871
Factor Arrows
342,957
Factor Arrows
314,319
Factor Arrows
34,773
Factor Arrows
31,591
Factor Arrows
3743

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, 37, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 37 x 43 = 515,484

This can also be written as 22 x 34 x 371 x 431 = 515,484

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


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