Q: What are the prime factors of the number 322,302,123?

 A: 3, 11, 13, 223, 1123

Why are those the prime factors of the number 322,302,123?

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 322,302,123

322,302,123
Factor Arrows
3107,434,041
Factor Arrows
335,811,347
Factor Arrows
113,255,577
Factor Arrows
13250,429
Factor Arrows
2231,123

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, 223, 1123

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 13 x 223 x 1,123 = 322,302,123

This can also be written as 32 x 111 x 131 x 2231 x 1,1231 = 322,302,123

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


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