Q: What are the prime factors of the number 6,729,750?

 A: 2, 3, 5, 997

Why are those the prime factors of the number 6,729,750?

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 6,729,750

6,729,750
Factor Arrows
23,364,875
Factor Arrows
31,121,625
Factor Arrows
3373,875
Factor Arrows
3124,625
Factor Arrows
524,925
Factor Arrows
54,985
Factor Arrows
5997

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, 5, 997

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 5 x 5 x 997 = 6,729,750

This can also be written as 21 x 33 x 53 x 9971 = 6,729,750

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


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