Q: What are the prime factors of the number 22,211,250?

 A: 2, 3, 5, 5923

Why are those the prime factors of the number 22,211,250?

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 22,211,250

22,211,250
Factor Arrows
211,105,625
Factor Arrows
33,701,875
Factor Arrows
5740,375
Factor Arrows
5148,075
Factor Arrows
529,615
Factor Arrows
55,923

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, 5923

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 5 x 5 x 5,923 = 22,211,250

This can also be written as 21 x 31 x 54 x 5,9231 = 22,211,250

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


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