Q: What are the prime factors of the number 691,506?

 A: 2, 3, 41, 937

Why are those the prime factors of the number 691,506?

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 691,506

691,506
Factor Arrows
2345,753
Factor Arrows
3115,251
Factor Arrows
338,417
Factor Arrows
41937

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, 3, 41, 937

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 41 x 937 = 691,506

This can also be written as 21 x 32 x 411 x 9371 = 691,506

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


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