Q: What are the prime factors of the number 300,254,240?

 A: 2, 5, 11, 13, 1193

Why are those the prime factors of the number 300,254,240?

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 300,254,240

300,254,240
Factor Arrows
2150,127,120
Factor Arrows
275,063,560
Factor Arrows
237,531,780
Factor Arrows
218,765,890
Factor Arrows
29,382,945
Factor Arrows
51,876,589
Factor Arrows
11170,599
Factor Arrows
1115,509
Factor Arrows
131,193

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, 11, 13, 1193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 11 x 11 x 13 x 1,193 = 300,254,240

This can also be written as 25 x 51 x 112 x 131 x 1,1931 = 300,254,240

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


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