Q: What are the prime factors of the number 63,994?

 A: 2, 7, 653

Why are those the prime factors of the number 63,994?

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 63,994

63,994
Factor Arrows
231,997
Factor Arrows
74,571
Factor Arrows
7653

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, 7, 653

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 653 = 63,994

This can also be written as 21 x 72 x 6531 = 63,994

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


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