Q: What are the prime factors of the number 801,200?

 A: 2, 5, 2003

Why are those the prime factors of the number 801,200?

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 801,200

801,200
Factor Arrows
2400,600
Factor Arrows
2200,300
Factor Arrows
2100,150
Factor Arrows
250,075
Factor Arrows
510,015
Factor Arrows
52,003

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, 2003

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 2,003 = 801,200

This can also be written as 24 x 52 x 2,0031 = 801,200

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


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