Q: What are the prime factors of the number 215,523,600?

 A: 2, 3, 5, 179603

Why are those the prime factors of the number 215,523,600?

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 215,523,600

215,523,600
Factor Arrows
2107,761,800
Factor Arrows
253,880,900
Factor Arrows
226,940,450
Factor Arrows
213,470,225
Factor Arrows
34,490,075
Factor Arrows
5898,015
Factor Arrows
5179,603

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, 179603

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 5 x 179,603 = 215,523,600

This can also be written as 24 x 31 x 52 x 179,6031 = 215,523,600

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


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