Q: What are the prime factors of the number 216,550,554?

 A: 2, 3, 11, 503, 593

Why are those the prime factors of the number 216,550,554?

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 216,550,554

216,550,554
Factor Arrows
2108,275,277
Factor Arrows
336,091,759
Factor Arrows
113,281,069
Factor Arrows
11298,279
Factor Arrows
503593

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, 11, 503, 593

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 11 x 503 x 593 = 216,550,554

This can also be written as 21 x 31 x 112 x 5031 x 5931 = 216,550,554

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


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