Q: What are the prime factors of the number 462,540?

 A: 2, 3, 5, 13, 593

Why are those the prime factors of the number 462,540?

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 462,540

462,540
Factor Arrows
2231,270
Factor Arrows
2115,635
Factor Arrows
338,545
Factor Arrows
57,709
Factor Arrows
13593

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, 5, 13, 593

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 13 x 593 = 462,540

This can also be written as 22 x 31 x 51 x 131 x 5931 = 462,540

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


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