Q: What are the prime factors of the number 73,511,648?

 A: 2, 7, 328177

Why are those the prime factors of the number 73,511,648?

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 73,511,648

73,511,648
Factor Arrows
236,755,824
Factor Arrows
218,377,912
Factor Arrows
29,188,956
Factor Arrows
24,594,478
Factor Arrows
22,297,239
Factor Arrows
7328,177

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, 328177

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 328,177 = 73,511,648

This can also be written as 25 x 71 x 328,1771 = 73,511,648

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


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