Q: What are the prime factors of the number 3,723,648?

 A: 2, 3, 9697

Why are those the prime factors of the number 3,723,648?

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 3,723,648

3,723,648
Factor Arrows
21,861,824
Factor Arrows
2930,912
Factor Arrows
2465,456
Factor Arrows
2232,728
Factor Arrows
2116,364
Factor Arrows
258,182
Factor Arrows
229,091
Factor Arrows
39,697

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, 9697

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 9,697 = 3,723,648

This can also be written as 27 x 31 x 9,6971 = 3,723,648

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


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