Q: What are the prime factors of the number 11,010,100?

 A: 2, 5, 23, 4787

Why are those the prime factors of the number 11,010,100?

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 11,010,100

11,010,100
Factor Arrows
25,505,050
Factor Arrows
22,752,525
Factor Arrows
5550,505
Factor Arrows
5110,101
Factor Arrows
234,787

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, 23, 4787

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 23 x 4,787 = 11,010,100

This can also be written as 22 x 52 x 231 x 4,7871 = 11,010,100

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


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