Q: What are the prime factors of the number 216,772,132?

 A: 2, 7219, 7507

Why are those the prime factors of the number 216,772,132?

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 216,772,132

216,772,132
Factor Arrows
2108,386,066
Factor Arrows
254,193,033
Factor Arrows
7,2197,507

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, 7219, 7507

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7,219 x 7,507 = 216,772,132

This can also be written as 22 x 7,2191 x 7,5071 = 216,772,132

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


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