Q: What are the prime factors of the number 215,751,454?

 A: 2, 17, 23, 275897

Why are those the prime factors of the number 215,751,454?

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 215,751,454

215,751,454
Factor Arrows
2107,875,727
Factor Arrows
176,345,631
Factor Arrows
23275,897

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, 17, 23, 275897

We can check our work by multiplying all of the prime factors together: 2 x 17 x 23 x 275,897 = 215,751,454

This can also be written as 21 x 171 x 231 x 275,8971 = 215,751,454

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


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