Q: What are the prime factors of the number 252,663,406?

 A: 2, 19, 431, 15427

Why are those the prime factors of the number 252,663,406?

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 252,663,406

252,663,406
Factor Arrows
2126,331,703
Factor Arrows
196,649,037
Factor Arrows
43115,427

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, 19, 431, 15427

We can check our work by multiplying all of the prime factors together: 2 x 19 x 431 x 15,427 = 252,663,406

This can also be written as 21 x 191 x 4311 x 15,4271 = 252,663,406

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


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