Q: What are the prime factors of the number 216,875,516?

 A: 2, 11, 13, 67, 5659

Why are those the prime factors of the number 216,875,516?

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 216,875,516

216,875,516
Factor Arrows
2108,437,758
Factor Arrows
254,218,879
Factor Arrows
114,928,989
Factor Arrows
13379,153
Factor Arrows
675,659

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, 11, 13, 67, 5659

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 13 x 67 x 5,659 = 216,875,516

This can also be written as 22 x 111 x 131 x 671 x 5,6591 = 216,875,516

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


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