Q: What are the prime factors of the number 716,560?

 A: 2, 5, 13, 53

Why are those the prime factors of the number 716,560?

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 716,560

716,560
Factor Arrows
2358,280
Factor Arrows
2179,140
Factor Arrows
289,570
Factor Arrows
244,785
Factor Arrows
58,957
Factor Arrows
13689
Factor Arrows
1353

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, 13, 53

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 13 x 13 x 53 = 716,560

This can also be written as 24 x 51 x 132 x 531 = 716,560

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


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