Q: What are the prime factors of the number 4,111,296?

 A: 2, 3, 7, 19, 23

Why are those the prime factors of the number 4,111,296?

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 4,111,296

4,111,296
Factor Arrows
22,055,648
Factor Arrows
21,027,824
Factor Arrows
2513,912
Factor Arrows
2256,956
Factor Arrows
2128,478
Factor Arrows
264,239
Factor Arrows
321,413
Factor Arrows
73,059
Factor Arrows
7437
Factor Arrows
1923

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, 7, 19, 23

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 3 x 7 x 7 x 19 x 23 = 4,111,296

This can also be written as 26 x 31 x 72 x 191 x 231 = 4,111,296

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


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