Q: What are the prime factors of the number 711,168?

 A: 2, 3, 463

Why are those the prime factors of the number 711,168?

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 711,168

711,168
Factor Arrows
2355,584
Factor Arrows
2177,792
Factor Arrows
288,896
Factor Arrows
244,448
Factor Arrows
222,224
Factor Arrows
211,112
Factor Arrows
25,556
Factor Arrows
22,778
Factor Arrows
21,389
Factor Arrows
3463

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, 463

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 463 = 711,168

This can also be written as 29 x 31 x 4631 = 711,168

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


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