Q: What are the prime factors of the number 10,782,603?

 A: 3, 13, 157, 587

Why are those the prime factors of the number 10,782,603?

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 10,782,603

10,782,603
Factor Arrows
33,594,201
Factor Arrows
31,198,067
Factor Arrows
1392,159
Factor Arrows
157587

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, 13, 157, 587

We can check our work by multiplying all of the prime factors together: 3 x 3 x 13 x 157 x 587 = 10,782,603

This can also be written as 32 x 131 x 1571 x 5871 = 10,782,603

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


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