Q: What are the prime factors of the number 603,393?

 A: 3, 7, 59, 487

Why are those the prime factors of the number 603,393?

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 603,393

603,393
Factor Arrows
3201,131
Factor Arrows
728,733
Factor Arrows
59487

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, 7, 59, 487

We can check our work by multiplying all of the prime factors together: 3 x 7 x 59 x 487 = 603,393

This can also be written as 31 x 71 x 591 x 4871 = 603,393

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


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