Q: What are the prime factors of the number 635,600?

 A: 2, 5, 7, 227

Why are those the prime factors of the number 635,600?

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 635,600

635,600
Factor Arrows
2317,800
Factor Arrows
2158,900
Factor Arrows
279,450
Factor Arrows
239,725
Factor Arrows
57,945
Factor Arrows
51,589
Factor Arrows
7227

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, 7, 227

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 7 x 227 = 635,600

This can also be written as 24 x 52 x 71 x 2271 = 635,600

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


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