Q: What are the prime factors of the number 663,762?

 A: 2, 3, 11, 89, 113

Why are those the prime factors of the number 663,762?

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 663,762

663,762
Factor Arrows
2331,881
Factor Arrows
3110,627
Factor Arrows
1110,057
Factor Arrows
89113

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, 89, 113

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 89 x 113 = 663,762

This can also be written as 21 x 31 x 111 x 891 x 1131 = 663,762

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


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