Q: What are the prime factors of the number 163,688,184?

 A: 2, 3, 11, 31, 59, 113

Why are those the prime factors of the number 163,688,184?

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 163,688,184

163,688,184
Factor Arrows
281,844,092
Factor Arrows
240,922,046
Factor Arrows
220,461,023
Factor Arrows
36,820,341
Factor Arrows
32,273,447
Factor Arrows
11206,677
Factor Arrows
316,667
Factor Arrows
59113

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, 11, 31, 59, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 11 x 31 x 59 x 113 = 163,688,184

This can also be written as 23 x 32 x 111 x 311 x 591 x 1131 = 163,688,184

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


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