Q: What are the prime factors of the number 6,396,000?

 A: 2, 3, 5, 13, 41

Why are those the prime factors of the number 6,396,000?

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 6,396,000

6,396,000
Factor Arrows
23,198,000
Factor Arrows
21,599,000
Factor Arrows
2799,500
Factor Arrows
2399,750
Factor Arrows
2199,875
Factor Arrows
366,625
Factor Arrows
513,325
Factor Arrows
52,665
Factor Arrows
5533
Factor Arrows
1341

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, 13, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 5 x 5 x 13 x 41 = 6,396,000

This can also be written as 25 x 31 x 53 x 131 x 411 = 6,396,000

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


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