Q: What are the prime factors of the number 302,211,324?

 A: 2, 3, 61, 1699

Why are those the prime factors of the number 302,211,324?

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 302,211,324

302,211,324
Factor Arrows
2151,105,662
Factor Arrows
275,552,831
Factor Arrows
325,184,277
Factor Arrows
38,394,759
Factor Arrows
32,798,253
Factor Arrows
3932,751
Factor Arrows
3310,917
Factor Arrows
3103,639
Factor Arrows
611,699

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, 61, 1699

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 61 x 1,699 = 302,211,324

This can also be written as 22 x 36 x 611 x 1,6991 = 302,211,324

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


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