Q: What are the prime factors of the number 10,355,200?

 A: 2, 5, 809

Why are those the prime factors of the number 10,355,200?

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 10,355,200

10,355,200
Factor Arrows
25,177,600
Factor Arrows
22,588,800
Factor Arrows
21,294,400
Factor Arrows
2647,200
Factor Arrows
2323,600
Factor Arrows
2161,800
Factor Arrows
280,900
Factor Arrows
240,450
Factor Arrows
220,225
Factor Arrows
54,045
Factor Arrows
5809

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, 809

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 809 = 10,355,200

This can also be written as 29 x 52 x 8091 = 10,355,200

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


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