Q: What are the prime factors of the number 6,546,000?

 A: 2, 3, 5, 1091

Why are those the prime factors of the number 6,546,000?

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 6,546,000

6,546,000
Factor Arrows
23,273,000
Factor Arrows
21,636,500
Factor Arrows
2818,250
Factor Arrows
2409,125
Factor Arrows
3136,375
Factor Arrows
527,275
Factor Arrows
55,455
Factor Arrows
51,091

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, 1091

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 5 x 5 x 1,091 = 6,546,000

This can also be written as 24 x 31 x 53 x 1,0911 = 6,546,000

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


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