Q: What are the prime factors of the number 617,800?

 A: 2, 5, 3089

Why are those the prime factors of the number 617,800?

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 617,800

617,800
Factor Arrows
2308,900
Factor Arrows
2154,450
Factor Arrows
277,225
Factor Arrows
515,445
Factor Arrows
53,089

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, 5, 3089

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 3,089 = 617,800

This can also be written as 23 x 52 x 3,0891 = 617,800

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


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