Q: What are the prime factors of the number 336,263,128?

 A: 2, 17, 23, 193, 557

Why are those the prime factors of the number 336,263,128?

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 336,263,128

336,263,128
Factor Arrows
2168,131,564
Factor Arrows
284,065,782
Factor Arrows
242,032,891
Factor Arrows
172,472,523
Factor Arrows
23107,501
Factor Arrows
193557

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, 193, 557

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 17 x 23 x 193 x 557 = 336,263,128

This can also be written as 23 x 171 x 231 x 1931 x 5571 = 336,263,128

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


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