Q: What are the prime factors of the number 234,102,018?

 A: 2, 3, 31, 47, 61, 439

Why are those the prime factors of the number 234,102,018?

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 234,102,018

234,102,018
Factor Arrows
2117,051,009
Factor Arrows
339,017,003
Factor Arrows
311,258,613
Factor Arrows
4726,779
Factor Arrows
61439

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, 31, 47, 61, 439

We can check our work by multiplying all of the prime factors together: 2 x 3 x 31 x 47 x 61 x 439 = 234,102,018

This can also be written as 21 x 31 x 311 x 471 x 611 x 4391 = 234,102,018

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


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