Q: What are the prime factors of the number 768,504?

 A: 2, 3, 11, 41, 71

Why are those the prime factors of the number 768,504?

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 768,504

768,504
Factor Arrows
2384,252
Factor Arrows
2192,126
Factor Arrows
296,063
Factor Arrows
332,021
Factor Arrows
112,911
Factor Arrows
4171

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, 41, 71

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 41 x 71 = 768,504

This can also be written as 23 x 31 x 111 x 411 x 711 = 768,504

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


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