Q: What are the prime factors of the number 462,457,512?

 A: 2, 3, 11, 64879

Why are those the prime factors of the number 462,457,512?

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 462,457,512

462,457,512
Factor Arrows
2231,228,756
Factor Arrows
2115,614,378
Factor Arrows
257,807,189
Factor Arrows
319,269,063
Factor Arrows
36,423,021
Factor Arrows
32,141,007
Factor Arrows
3713,669
Factor Arrows
1164,879

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, 11, 64879

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 11 x 64,879 = 462,457,512

This can also be written as 23 x 34 x 111 x 64,8791 = 462,457,512

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


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