Q: What are the prime factors of the number 6,723,486?

 A: 2, 3, 7, 11

Why are those the prime factors of the number 6,723,486?

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 6,723,486

6,723,486
Factor Arrows
23,361,743
Factor Arrows
31,120,581
Factor Arrows
3373,527
Factor Arrows
3124,509
Factor Arrows
341,503
Factor Arrows
75,929
Factor Arrows
7847
Factor Arrows
7121
Factor Arrows
1111

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, 7, 11

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 7 x 7 x 7 x 11 x 11 = 6,723,486

This can also be written as 21 x 34 x 73 x 112 = 6,723,486

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


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