Q: What are the prime factors of the number 163,362,209?

 A: 19, 59, 61, 2389

Why are those the prime factors of the number 163,362,209?

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 163,362,209

163,362,209
Factor Arrows
198,598,011
Factor Arrows
59145,729
Factor Arrows
612,389

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:

19, 59, 61, 2389

We can check our work by multiplying all of the prime factors together: 19 x 59 x 61 x 2,389 = 163,362,209

This can also be written as 191 x 591 x 611 x 2,3891 = 163,362,209

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


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