Q: What are the prime factors of the number 63,954?

 A: 2, 3, 11, 17, 19

Why are those the prime factors of the number 63,954?

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 63,954

63,954
Factor Arrows
231,977
Factor Arrows
310,659
Factor Arrows
33,553
Factor Arrows
11323
Factor Arrows
1719

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, 17, 19

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 17 x 19 = 63,954

This can also be written as 21 x 32 x 111 x 171 x 191 = 63,954

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


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