Q: What are the prime factors of the number 132,161,544?

 A: 2, 3, 203953

Why are those the prime factors of the number 132,161,544?

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 132,161,544

132,161,544
Factor Arrows
266,080,772
Factor Arrows
233,040,386
Factor Arrows
216,520,193
Factor Arrows
35,506,731
Factor Arrows
31,835,577
Factor Arrows
3611,859
Factor Arrows
3203,953

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, 203953

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 203,953 = 132,161,544

This can also be written as 23 x 34 x 203,9531 = 132,161,544

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


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