Q: What are the prime factors of the number 253,216?

 A: 2, 41, 193

Why are those the prime factors of the number 253,216?

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 253,216

253,216
Factor Arrows
2126,608
Factor Arrows
263,304
Factor Arrows
231,652
Factor Arrows
215,826
Factor Arrows
27,913
Factor Arrows
41193

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, 41, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 41 x 193 = 253,216

This can also be written as 25 x 411 x 1931 = 253,216

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


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