Q: What are the prime factors of the number 22,231,300?

 A: 2, 5, 7, 13, 349

Why are those the prime factors of the number 22,231,300?

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 22,231,300

22,231,300
Factor Arrows
211,115,650
Factor Arrows
25,557,825
Factor Arrows
51,111,565
Factor Arrows
5222,313
Factor Arrows
731,759
Factor Arrows
74,537
Factor Arrows
13349

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, 7, 13, 349

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 7 x 7 x 13 x 349 = 22,231,300

This can also be written as 22 x 52 x 72 x 131 x 3491 = 22,231,300

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


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