Q: What are the prime factors of the number 423,104?

 A: 2, 11, 601

Why are those the prime factors of the number 423,104?

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 423,104

423,104
Factor Arrows
2211,552
Factor Arrows
2105,776
Factor Arrows
252,888
Factor Arrows
226,444
Factor Arrows
213,222
Factor Arrows
26,611
Factor Arrows
11601

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, 11, 601

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 11 x 601 = 423,104

This can also be written as 26 x 111 x 6011 = 423,104

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


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