Q: What are the prime factors of the number 46,212,636?

 A: 2, 3, 19, 157, 1291

Why are those the prime factors of the number 46,212,636?

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 46,212,636

46,212,636
Factor Arrows
223,106,318
Factor Arrows
211,553,159
Factor Arrows
33,851,053
Factor Arrows
19202,687
Factor Arrows
1571,291

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, 19, 157, 1291

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 19 x 157 x 1,291 = 46,212,636

This can also be written as 22 x 31 x 191 x 1571 x 1,2911 = 46,212,636

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


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