Q: What are the prime factors of the number 423,203,232?

 A: 2, 3, 523, 8429

Why are those the prime factors of the number 423,203,232?

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 423,203,232

423,203,232
Factor Arrows
2211,601,616
Factor Arrows
2105,800,808
Factor Arrows
252,900,404
Factor Arrows
226,450,202
Factor Arrows
213,225,101
Factor Arrows
34,408,367
Factor Arrows
5238,429

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, 523, 8429

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 523 x 8,429 = 423,203,232

This can also be written as 25 x 31 x 5231 x 8,4291 = 423,203,232

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


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