Q: What are the prime factors of the number 46,143,108?

 A: 2, 3, 11, 107

Why are those the prime factors of the number 46,143,108?

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 46,143,108

46,143,108
Factor Arrows
223,071,554
Factor Arrows
211,535,777
Factor Arrows
33,845,259
Factor Arrows
31,281,753
Factor Arrows
3427,251
Factor Arrows
3142,417
Factor Arrows
1112,947
Factor Arrows
111,177
Factor Arrows
11107

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, 11, 107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 11 x 11 x 11 x 107 = 46,143,108

This can also be written as 22 x 34 x 113 x 1071 = 46,143,108

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


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