Q: What are the prime factors of the number 403,030,448?

 A: 2, 89, 283027

Why are those the prime factors of the number 403,030,448?

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 403,030,448

403,030,448
Factor Arrows
2201,515,224
Factor Arrows
2100,757,612
Factor Arrows
250,378,806
Factor Arrows
225,189,403
Factor Arrows
89283,027

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, 89, 283027

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 89 x 283,027 = 403,030,448

This can also be written as 24 x 891 x 283,0271 = 403,030,448

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


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