Q: What are the prime factors of the number 22,302,208?

 A: 2, 43, 1013

Why are those the prime factors of the number 22,302,208?

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 22,302,208

22,302,208
Factor Arrows
211,151,104
Factor Arrows
25,575,552
Factor Arrows
22,787,776
Factor Arrows
21,393,888
Factor Arrows
2696,944
Factor Arrows
2348,472
Factor Arrows
2174,236
Factor Arrows
287,118
Factor Arrows
243,559
Factor Arrows
431,013

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, 1013

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 2 x 2 x 43 x 1,013 = 22,302,208

This can also be written as 29 x 431 x 1,0131 = 22,302,208

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


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