Q: What are the prime factors of the number 19,536,030?

 A: 2, 3, 5, 131, 1657

Why are those the prime factors of the number 19,536,030?

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 19,536,030

19,536,030
Factor Arrows
29,768,015
Factor Arrows
33,256,005
Factor Arrows
31,085,335
Factor Arrows
5217,067
Factor Arrows
1311,657

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, 5, 131, 1657

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 131 x 1,657 = 19,536,030

This can also be written as 21 x 32 x 51 x 1311 x 1,6571 = 19,536,030

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


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