Q: What are the prime factors of the number 614,040?

 A: 2, 3, 5, 7, 17, 43

Why are those the prime factors of the number 614,040?

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 614,040

614,040
Factor Arrows
2307,020
Factor Arrows
2153,510
Factor Arrows
276,755
Factor Arrows
325,585
Factor Arrows
55,117
Factor Arrows
7731
Factor Arrows
1743

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, 7, 17, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 7 x 17 x 43 = 614,040

This can also be written as 23 x 31 x 51 x 71 x 171 x 431 = 614,040

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


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