Q: What are the prime factors of the number 132,132,224?

 A: 2, 7, 21067

Why are those the prime factors of the number 132,132,224?

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 132,132,224

132,132,224
Factor Arrows
266,066,112
Factor Arrows
233,033,056
Factor Arrows
216,516,528
Factor Arrows
28,258,264
Factor Arrows
24,129,132
Factor Arrows
22,064,566
Factor Arrows
21,032,283
Factor Arrows
7147,469
Factor Arrows
721,067

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, 7, 21067

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 7 x 7 x 21,067 = 132,132,224

This can also be written as 27 x 72 x 21,0671 = 132,132,224

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


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