Q: What are the prime factors of the number 3,672,576?

 A: 2, 3, 797

Why are those the prime factors of the number 3,672,576?

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 3,672,576

3,672,576
Factor Arrows
21,836,288
Factor Arrows
2918,144
Factor Arrows
2459,072
Factor Arrows
2229,536
Factor Arrows
2114,768
Factor Arrows
257,384
Factor Arrows
228,692
Factor Arrows
214,346
Factor Arrows
27,173
Factor Arrows
32,391
Factor Arrows
3797

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, 797

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 2 x 2 x 3 x 3 x 797 = 3,672,576

This can also be written as 29 x 32 x 7971 = 3,672,576

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


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