Q: What are the prime factors of the number 341,280?

 A: 2, 3, 5, 79

Why are those the prime factors of the number 341,280?

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 341,280

341,280
Factor Arrows
2170,640
Factor Arrows
285,320
Factor Arrows
242,660
Factor Arrows
221,330
Factor Arrows
210,665
Factor Arrows
33,555
Factor Arrows
31,185
Factor Arrows
3395
Factor Arrows
579

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, 3, 5, 79

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 79 = 341,280

This can also be written as 25 x 33 x 51 x 791 = 341,280

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


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