Q: What are the prime factors of the number 22,255,424?

 A: 2, 43, 8087

Why are those the prime factors of the number 22,255,424?

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 22,255,424

22,255,424
Factor Arrows
211,127,712
Factor Arrows
25,563,856
Factor Arrows
22,781,928
Factor Arrows
21,390,964
Factor Arrows
2695,482
Factor Arrows
2347,741
Factor Arrows
438,087

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, 43, 8087

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 43 x 8,087 = 22,255,424

This can also be written as 26 x 431 x 8,0871 = 22,255,424

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


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