Q: What are the prime factors of the number 228,321,522?

 A: 2, 3, 11, 13, 107, 829

Why are those the prime factors of the number 228,321,522?

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 228,321,522

228,321,522
Factor Arrows
2114,160,761
Factor Arrows
338,053,587
Factor Arrows
312,684,529
Factor Arrows
111,153,139
Factor Arrows
1388,703
Factor Arrows
107829

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, 13, 107, 829

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 13 x 107 x 829 = 228,321,522

This can also be written as 21 x 32 x 111 x 131 x 1071 x 8291 = 228,321,522

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


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