Q: What are the prime factors of the number 617,424?

 A: 2, 3, 19, 677

Why are those the prime factors of the number 617,424?

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 617,424

617,424
Factor Arrows
2308,712
Factor Arrows
2154,356
Factor Arrows
277,178
Factor Arrows
238,589
Factor Arrows
312,863
Factor Arrows
19677

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, 19, 677

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 19 x 677 = 617,424

This can also be written as 24 x 31 x 191 x 6771 = 617,424

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


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