Q: What are the prime factors of the number 3,691,710?

 A: 2, 3, 5, 11, 113

Why are those the prime factors of the number 3,691,710?

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 3,691,710

3,691,710
Factor Arrows
21,845,855
Factor Arrows
3615,285
Factor Arrows
3205,095
Factor Arrows
368,365
Factor Arrows
513,673
Factor Arrows
111,243
Factor Arrows
11113

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, 5, 11, 113

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 11 x 11 x 113 = 3,691,710

This can also be written as 21 x 33 x 51 x 112 x 1131 = 3,691,710

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


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