Q: What are the prime factors of the number 4,609,536?

 A: 2, 3, 3001

Why are those the prime factors of the number 4,609,536?

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 4,609,536

4,609,536
Factor Arrows
22,304,768
Factor Arrows
21,152,384
Factor Arrows
2576,192
Factor Arrows
2288,096
Factor Arrows
2144,048
Factor Arrows
272,024
Factor Arrows
236,012
Factor Arrows
218,006
Factor Arrows
29,003
Factor Arrows
33,001

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, 3001

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 3,001 = 4,609,536

This can also be written as 29 x 31 x 3,0011 = 4,609,536

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


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