Q: What are the prime factors of the number 304,457,265?

 A: 3, 5, 7, 107, 3011

Why are those the prime factors of the number 304,457,265?

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 304,457,265

304,457,265
Factor Arrows
3101,485,755
Factor Arrows
333,828,585
Factor Arrows
311,276,195
Factor Arrows
52,255,239
Factor Arrows
7322,177
Factor Arrows
1073,011

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, 5, 7, 107, 3011

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 7 x 107 x 3,011 = 304,457,265

This can also be written as 33 x 51 x 71 x 1071 x 3,0111 = 304,457,265

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


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