Q: What are the prime factors of the number 341,760?

 A: 2, 3, 5, 89

Why are those the prime factors of the number 341,760?

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 341,760

341,760
Factor Arrows
2170,880
Factor Arrows
285,440
Factor Arrows
242,720
Factor Arrows
221,360
Factor Arrows
210,680
Factor Arrows
25,340
Factor Arrows
22,670
Factor Arrows
21,335
Factor Arrows
3445
Factor Arrows
589

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, 89

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 3 x 5 x 89 = 341,760

This can also be written as 28 x 31 x 51 x 891 = 341,760

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


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