Q: What are the prime factors of the number 540,123,344?

 A: 2, 43, 829, 947

Why are those the prime factors of the number 540,123,344?

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 540,123,344

540,123,344
Factor Arrows
2270,061,672
Factor Arrows
2135,030,836
Factor Arrows
267,515,418
Factor Arrows
233,757,709
Factor Arrows
43785,063
Factor Arrows
829947

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, 43, 829, 947

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 43 x 829 x 947 = 540,123,344

This can also be written as 24 x 431 x 8291 x 9471 = 540,123,344

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


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