Q: What are the prime factors of the number 450,450,224?

 A: 2, 7, 17, 359, 659

Why are those the prime factors of the number 450,450,224?

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 450,450,224

450,450,224
Factor Arrows
2225,225,112
Factor Arrows
2112,612,556
Factor Arrows
256,306,278
Factor Arrows
228,153,139
Factor Arrows
74,021,877
Factor Arrows
17236,581
Factor Arrows
359659

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, 7, 17, 359, 659

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 17 x 359 x 659 = 450,450,224

This can also be written as 24 x 71 x 171 x 3591 x 6591 = 450,450,224

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


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