Q: What are the prime factors of the number 10,782,585?

 A: 3, 5, 11, 53, 137

Why are those the prime factors of the number 10,782,585?

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 10,782,585

10,782,585
Factor Arrows
33,594,195
Factor Arrows
31,198,065
Factor Arrows
3399,355
Factor Arrows
579,871
Factor Arrows
117,261
Factor Arrows
53137

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:

3, 5, 11, 53, 137

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 11 x 53 x 137 = 10,782,585

This can also be written as 33 x 51 x 111 x 531 x 1371 = 10,782,585

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


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