Q: What are the prime factors of the number 4,308,608?

 A: 2, 41, 821

Why are those the prime factors of the number 4,308,608?

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 4,308,608

4,308,608
Factor Arrows
22,154,304
Factor Arrows
21,077,152
Factor Arrows
2538,576
Factor Arrows
2269,288
Factor Arrows
2134,644
Factor Arrows
267,322
Factor Arrows
233,661
Factor Arrows
41821

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, 41, 821

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 41 x 821 = 4,308,608

This can also be written as 27 x 411 x 8211 = 4,308,608

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


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