Q: What are the prime factors of the number 163,361,610?

 A: 2, 3, 5, 22409

Why are those the prime factors of the number 163,361,610?

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 163,361,610

163,361,610
Factor Arrows
281,680,805
Factor Arrows
327,226,935
Factor Arrows
39,075,645
Factor Arrows
33,025,215
Factor Arrows
31,008,405
Factor Arrows
3336,135
Factor Arrows
3112,045
Factor Arrows
522,409

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, 22409

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 5 x 22,409 = 163,361,610

This can also be written as 21 x 36 x 51 x 22,4091 = 163,361,610

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


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