Q: What are the prime factors of the number 614,278?

 A: 2, 7, 17, 29, 89

Why are those the prime factors of the number 614,278?

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 614,278

614,278
Factor Arrows
2307,139
Factor Arrows
743,877
Factor Arrows
172,581
Factor Arrows
2989

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, 7, 17, 29, 89

We can check our work by multiplying all of the prime factors together: 2 x 7 x 17 x 29 x 89 = 614,278

This can also be written as 21 x 71 x 171 x 291 x 891 = 614,278

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


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