Q: What are the prime factors of the number 10,428,600?

 A: 2, 3, 5, 7, 13, 191

Why are those the prime factors of the number 10,428,600?

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 10,428,600

10,428,600
Factor Arrows
25,214,300
Factor Arrows
22,607,150
Factor Arrows
21,303,575
Factor Arrows
3434,525
Factor Arrows
586,905
Factor Arrows
517,381
Factor Arrows
72,483
Factor Arrows
13191

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, 7, 13, 191

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 5 x 7 x 13 x 191 = 10,428,600

This can also be written as 23 x 31 x 52 x 71 x 131 x 1911 = 10,428,600

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


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