Q: What are the prime factors of the number 22,142,304?

 A: 2, 3, 76883

Why are those the prime factors of the number 22,142,304?

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 22,142,304

22,142,304
Factor Arrows
211,071,152
Factor Arrows
25,535,576
Factor Arrows
22,767,788
Factor Arrows
21,383,894
Factor Arrows
2691,947
Factor Arrows
3230,649
Factor Arrows
376,883

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, 76883

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 76,883 = 22,142,304

This can also be written as 25 x 32 x 76,8831 = 22,142,304

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


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