Q: What are the prime factors of the number 450,021,330?

 A: 2, 3, 5, 11, 41, 11087

Why are those the prime factors of the number 450,021,330?

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 450,021,330

450,021,330
Factor Arrows
2225,010,665
Factor Arrows
375,003,555
Factor Arrows
325,001,185
Factor Arrows
55,000,237
Factor Arrows
11454,567
Factor Arrows
4111,087

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, 5, 11, 41, 11087

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 11 x 41 x 11,087 = 450,021,330

This can also be written as 21 x 32 x 51 x 111 x 411 x 11,0871 = 450,021,330

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


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