Q: What are the prime factors of the number 453,020,144?

 A: 2, 23, 499, 2467

Why are those the prime factors of the number 453,020,144?

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 453,020,144

453,020,144
Factor Arrows
2226,510,072
Factor Arrows
2113,255,036
Factor Arrows
256,627,518
Factor Arrows
228,313,759
Factor Arrows
231,231,033
Factor Arrows
4992,467

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, 23, 499, 2467

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 23 x 499 x 2,467 = 453,020,144

This can also be written as 24 x 231 x 4991 x 2,4671 = 453,020,144

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


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