Q: What are the prime factors of the number 245,600?

 A: 2, 5, 307

Why are those the prime factors of the number 245,600?

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 245,600

245,600
Factor Arrows
2122,800
Factor Arrows
261,400
Factor Arrows
230,700
Factor Arrows
215,350
Factor Arrows
27,675
Factor Arrows
51,535
Factor Arrows
5307

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, 307

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 307 = 245,600

This can also be written as 25 x 52 x 3071 = 245,600

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


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