Q: What are the prime factors of the number 746,560?

 A: 2, 5, 2333

Why are those the prime factors of the number 746,560?

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 746,560

746,560
Factor Arrows
2373,280
Factor Arrows
2186,640
Factor Arrows
293,320
Factor Arrows
246,660
Factor Arrows
223,330
Factor Arrows
211,665
Factor Arrows
52,333

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, 2333

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 2,333 = 746,560

This can also be written as 26 x 51 x 2,3331 = 746,560

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


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