Q: What are the prime factors of the number 253,064,616?

 A: 2, 3, 7, 215191

Why are those the prime factors of the number 253,064,616?

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 253,064,616

253,064,616
Factor Arrows
2126,532,308
Factor Arrows
263,266,154
Factor Arrows
231,633,077
Factor Arrows
310,544,359
Factor Arrows
71,506,337
Factor Arrows
7215,191

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, 7, 215191

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 7 x 215,191 = 253,064,616

This can also be written as 23 x 31 x 72 x 215,1911 = 253,064,616

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


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