Q: What are the prime factors of the number 22,311,135?

 A: 3, 5, 7, 11, 47, 137

Why are those the prime factors of the number 22,311,135?

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 22,311,135

22,311,135
Factor Arrows
37,437,045
Factor Arrows
32,479,015
Factor Arrows
5495,803
Factor Arrows
770,829
Factor Arrows
116,439
Factor Arrows
47137

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:

3, 5, 7, 11, 47, 137

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 11 x 47 x 137 = 22,311,135

This can also be written as 32 x 51 x 71 x 111 x 471 x 1371 = 22,311,135

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


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