Q: What are the prime factors of the number 22,310,100?

 A: 2, 3, 5, 8263

Why are those the prime factors of the number 22,310,100?

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 22,310,100

22,310,100
Factor Arrows
211,155,050
Factor Arrows
25,577,525
Factor Arrows
31,859,175
Factor Arrows
3619,725
Factor Arrows
3206,575
Factor Arrows
541,315
Factor Arrows
58,263

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, 8263

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 5 x 5 x 8,263 = 22,310,100

This can also be written as 22 x 33 x 52 x 8,2631 = 22,310,100

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


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