Q: What are the prime factors of the number 300,526,400?

 A: 2, 5, 31, 73, 83

Why are those the prime factors of the number 300,526,400?

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 300,526,400

300,526,400
Factor Arrows
2150,263,200
Factor Arrows
275,131,600
Factor Arrows
237,565,800
Factor Arrows
218,782,900
Factor Arrows
29,391,450
Factor Arrows
24,695,725
Factor Arrows
5939,145
Factor Arrows
5187,829
Factor Arrows
316,059
Factor Arrows
7383

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, 5, 31, 73, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 31 x 73 x 83 = 300,526,400

This can also be written as 26 x 52 x 311 x 731 x 831 = 300,526,400

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


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