Q: What are the prime factors of the number 433,421,205?

 A: 3, 5, 7, 17, 242813

Why are those the prime factors of the number 433,421,205?

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 433,421,205

433,421,205
Factor Arrows
3144,473,735
Factor Arrows
528,894,747
Factor Arrows
74,127,821
Factor Arrows
17242,813

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, 5, 7, 17, 242813

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 17 x 242,813 = 433,421,205

This can also be written as 31 x 51 x 71 x 171 x 242,8131 = 433,421,205

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


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