Q: What are the prime factors of the number 67,691,648?

 A: 2, 37, 14293

Why are those the prime factors of the number 67,691,648?

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 67,691,648

67,691,648
Factor Arrows
233,845,824
Factor Arrows
216,922,912
Factor Arrows
28,461,456
Factor Arrows
24,230,728
Factor Arrows
22,115,364
Factor Arrows
21,057,682
Factor Arrows
2528,841
Factor Arrows
3714,293

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, 37, 14293

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 37 x 14,293 = 67,691,648

This can also be written as 27 x 371 x 14,2931 = 67,691,648

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


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