Q: What are the prime factors of the number 46,106,172?

 A: 2, 3, 7, 29, 701

Why are those the prime factors of the number 46,106,172?

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 46,106,172

46,106,172
Factor Arrows
223,053,086
Factor Arrows
211,526,543
Factor Arrows
33,842,181
Factor Arrows
31,280,727
Factor Arrows
3426,909
Factor Arrows
3142,303
Factor Arrows
720,329
Factor Arrows
29701

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, 29, 701

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 7 x 29 x 701 = 46,106,172

This can also be written as 22 x 34 x 71 x 291 x 7011 = 46,106,172

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


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