Q: What are the prime factors of the number 433,334,421?

 A: 3, 13, 23, 4129

Why are those the prime factors of the number 433,334,421?

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 433,334,421

433,334,421
Factor Arrows
3144,444,807
Factor Arrows
348,148,269
Factor Arrows
316,049,423
Factor Arrows
131,234,571
Factor Arrows
1394,967
Factor Arrows
234,129

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:

3, 13, 23, 4129

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 13 x 13 x 23 x 4,129 = 433,334,421

This can also be written as 33 x 132 x 231 x 4,1291 = 433,334,421

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


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