Q: What are the prime factors of the number 22,226,048?

 A: 2, 13, 19, 37

Why are those the prime factors of the number 22,226,048?

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 22,226,048

22,226,048
Factor Arrows
211,113,024
Factor Arrows
25,556,512
Factor Arrows
22,778,256
Factor Arrows
21,389,128
Factor Arrows
2694,564
Factor Arrows
2347,282
Factor Arrows
2173,641
Factor Arrows
1313,357
Factor Arrows
19703
Factor Arrows
1937

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, 13, 19, 37

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 2 x 13 x 19 x 19 x 37 = 22,226,048

This can also be written as 27 x 131 x 192 x 371 = 22,226,048

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


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