Q: What are the prime factors of the number 71,163,512?

 A: 2, 7, 19, 66883

Why are those the prime factors of the number 71,163,512?

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 71,163,512

71,163,512
Factor Arrows
235,581,756
Factor Arrows
217,790,878
Factor Arrows
28,895,439
Factor Arrows
71,270,777
Factor Arrows
1966,883

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, 66883

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 19 x 66,883 = 71,163,512

This can also be written as 23 x 71 x 191 x 66,8831 = 71,163,512

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


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