Q: What are the prime factors of the number 243,135,634?

 A: 2, 7, 167, 103993

Why are those the prime factors of the number 243,135,634?

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 243,135,634

243,135,634
Factor Arrows
2121,567,817
Factor Arrows
717,366,831
Factor Arrows
167103,993

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, 167, 103993

We can check our work by multiplying all of the prime factors together: 2 x 7 x 167 x 103,993 = 243,135,634

This can also be written as 21 x 71 x 1671 x 103,9931 = 243,135,634

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


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