Q: What are the prime factors of the number 202,222,152?

 A: 2, 3, 11, 311, 821

Why are those the prime factors of the number 202,222,152?

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 202,222,152

202,222,152
Factor Arrows
2101,111,076
Factor Arrows
250,555,538
Factor Arrows
225,277,769
Factor Arrows
38,425,923
Factor Arrows
32,808,641
Factor Arrows
11255,331
Factor Arrows
311821

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, 311, 821

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 11 x 311 x 821 = 202,222,152

This can also be written as 23 x 32 x 111 x 3111 x 8211 = 202,222,152

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


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