Q: What are the prime factors of the number 224,485,912?

 A: 2, 7, 19, 47, 67

Why are those the prime factors of the number 224,485,912?

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 224,485,912

224,485,912
Factor Arrows
2112,242,956
Factor Arrows
256,121,478
Factor Arrows
228,060,739
Factor Arrows
74,008,677
Factor Arrows
19210,983
Factor Arrows
474,489
Factor Arrows
6767

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, 19, 47, 67

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 19 x 47 x 67 x 67 = 224,485,912

This can also be written as 23 x 71 x 191 x 471 x 672 = 224,485,912

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


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