Q: What are the prime factors of the number 274,624?

 A: 2, 7, 613

Why are those the prime factors of the number 274,624?

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 274,624

274,624
Factor Arrows
2137,312
Factor Arrows
268,656
Factor Arrows
234,328
Factor Arrows
217,164
Factor Arrows
28,582
Factor Arrows
24,291
Factor Arrows
7613

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, 613

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 613 = 274,624

This can also be written as 26 x 71 x 6131 = 274,624

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


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