Q: What are the prime factors of the number 216,420,633?

 A: 3, 11, 13, 56053

Why are those the prime factors of the number 216,420,633?

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 216,420,633

216,420,633
Factor Arrows
372,140,211
Factor Arrows
324,046,737
Factor Arrows
38,015,579
Factor Arrows
11728,689
Factor Arrows
1356,053

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:

3, 11, 13, 56053

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 11 x 13 x 56,053 = 216,420,633

This can also be written as 33 x 111 x 131 x 56,0531 = 216,420,633

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


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