Q: What are the prime factors of the number 22,234,446?

 A: 2, 3, 13, 19, 1667

Why are those the prime factors of the number 22,234,446?

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 22,234,446

22,234,446
Factor Arrows
211,117,223
Factor Arrows
33,705,741
Factor Arrows
31,235,247
Factor Arrows
3411,749
Factor Arrows
1331,673
Factor Arrows
191,667

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, 13, 19, 1667

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 13 x 19 x 1,667 = 22,234,446

This can also be written as 21 x 33 x 131 x 191 x 1,6671 = 22,234,446

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


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