Q: What are the prime factors of the number 133,443,234?

 A: 2, 3, 17, 61, 2383

Why are those the prime factors of the number 133,443,234?

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 133,443,234

133,443,234
Factor Arrows
266,721,617
Factor Arrows
322,240,539
Factor Arrows
37,413,513
Factor Arrows
32,471,171
Factor Arrows
17145,363
Factor Arrows
612,383

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, 17, 61, 2383

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 17 x 61 x 2,383 = 133,443,234

This can also be written as 21 x 33 x 171 x 611 x 2,3831 = 133,443,234

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


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