Q: What are the prime factors of the number 300,243,104?

 A: 2, 7, 23, 101, 577

Why are those the prime factors of the number 300,243,104?

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 300,243,104

300,243,104
Factor Arrows
2150,121,552
Factor Arrows
275,060,776
Factor Arrows
237,530,388
Factor Arrows
218,765,194
Factor Arrows
29,382,597
Factor Arrows
71,340,371
Factor Arrows
2358,277
Factor Arrows
101577

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, 7, 23, 101, 577

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 23 x 101 x 577 = 300,243,104

This can also be written as 25 x 71 x 231 x 1011 x 5771 = 300,243,104

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


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