Q: What are the prime factors of the number 12,010,000?

 A: 2, 5, 1201

Why are those the prime factors of the number 12,010,000?

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 12,010,000

12,010,000
Factor Arrows
26,005,000
Factor Arrows
23,002,500
Factor Arrows
21,501,250
Factor Arrows
2750,625
Factor Arrows
5150,125
Factor Arrows
530,025
Factor Arrows
56,005
Factor Arrows
51,201

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, 5, 1201

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 5 x 5 x 1,201 = 12,010,000

This can also be written as 24 x 54 x 1,2011 = 12,010,000

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


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