Q: What are the prime factors of the number 22,110,208?

 A: 2, 2699

Why are those the prime factors of the number 22,110,208?

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 22,110,208

22,110,208
Factor Arrows
211,055,104
Factor Arrows
25,527,552
Factor Arrows
22,763,776
Factor Arrows
21,381,888
Factor Arrows
2690,944
Factor Arrows
2345,472
Factor Arrows
2172,736
Factor Arrows
286,368
Factor Arrows
243,184
Factor Arrows
221,592
Factor Arrows
210,796
Factor Arrows
25,398
Factor Arrows
22,699

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, 2699

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 2 x 2 x 2 x 2 x 2,699 = 22,110,208

This can also be written as 213 x 2,6991 = 22,110,208

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


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