Q: What are the prime factors of the number 19,235,916?

 A: 2, 3, 7, 76333

Why are those the prime factors of the number 19,235,916?

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 19,235,916

19,235,916
Factor Arrows
29,617,958
Factor Arrows
24,808,979
Factor Arrows
31,602,993
Factor Arrows
3534,331
Factor Arrows
776,333

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, 7, 76333

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 76,333 = 19,235,916

This can also be written as 22 x 32 x 71 x 76,3331 = 19,235,916

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


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