Q: What are the prime factors of the number 22,205,248?

 A: 2, 13, 2053

Why are those the prime factors of the number 22,205,248?

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 22,205,248

22,205,248
Factor Arrows
211,102,624
Factor Arrows
25,551,312
Factor Arrows
22,775,656
Factor Arrows
21,387,828
Factor Arrows
2693,914
Factor Arrows
2346,957
Factor Arrows
1326,689
Factor Arrows
132,053

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, 2053

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 13 x 13 x 2,053 = 22,205,248

This can also be written as 26 x 132 x 2,0531 = 22,205,248

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


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