Q: What are the prime factors of the number 19,486,159?

 A: 7, 11, 83, 3049

Why are those the prime factors of the number 19,486,159?

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 19,486,159

19,486,159
Factor Arrows
72,783,737
Factor Arrows
11253,067
Factor Arrows
833,049

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:

7, 11, 83, 3049

We can check our work by multiplying all of the prime factors together: 7 x 11 x 83 x 3,049 = 19,486,159

This can also be written as 71 x 111 x 831 x 3,0491 = 19,486,159

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


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