Q: What are the prime factors of the number 30,168,963?

 A: 3, 11, 157, 647

Why are those the prime factors of the number 30,168,963?

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 30,168,963

30,168,963
Factor Arrows
310,056,321
Factor Arrows
33,352,107
Factor Arrows
31,117,369
Factor Arrows
11101,579
Factor Arrows
157647

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:

3, 11, 157, 647

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 11 x 157 x 647 = 30,168,963

This can also be written as 33 x 111 x 1571 x 6471 = 30,168,963

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


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