Q: What are the prime factors of the number 302,174,368?

 A: 2, 23, 79, 5197

Why are those the prime factors of the number 302,174,368?

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 302,174,368

302,174,368
Factor Arrows
2151,087,184
Factor Arrows
275,543,592
Factor Arrows
237,771,796
Factor Arrows
218,885,898
Factor Arrows
29,442,949
Factor Arrows
23410,563
Factor Arrows
795,197

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, 23, 79, 5197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 23 x 79 x 5,197 = 302,174,368

This can also be written as 25 x 231 x 791 x 5,1971 = 302,174,368

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


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