Q: What are the prime factors of the number 22,331,424?

 A: 2, 3, 37, 6287

Why are those the prime factors of the number 22,331,424?

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 22,331,424

22,331,424
Factor Arrows
211,165,712
Factor Arrows
25,582,856
Factor Arrows
22,791,428
Factor Arrows
21,395,714
Factor Arrows
2697,857
Factor Arrows
3232,619
Factor Arrows
376,287

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, 37, 6287

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 37 x 6,287 = 22,331,424

This can also be written as 25 x 31 x 371 x 6,2871 = 22,331,424

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


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