Q: What are the prime factors of the number 302,080?

 A: 2, 5, 59

Why are those the prime factors of the number 302,080?

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 302,080

302,080
Factor Arrows
2151,040
Factor Arrows
275,520
Factor Arrows
237,760
Factor Arrows
218,880
Factor Arrows
29,440
Factor Arrows
24,720
Factor Arrows
22,360
Factor Arrows
21,180
Factor Arrows
2590
Factor Arrows
2295
Factor Arrows
559

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, 59

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 2 x 2 x 2 x 2 x 5 x 59 = 302,080

This can also be written as 210 x 51 x 591 = 302,080

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


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