Q: What are the prime factors of the number 4,765,824?

 A: 2, 3, 7, 197

Why are those the prime factors of the number 4,765,824?

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 4,765,824

4,765,824
Factor Arrows
22,382,912
Factor Arrows
21,191,456
Factor Arrows
2595,728
Factor Arrows
2297,864
Factor Arrows
2148,932
Factor Arrows
274,466
Factor Arrows
237,233
Factor Arrows
312,411
Factor Arrows
34,137
Factor Arrows
31,379
Factor Arrows
7197

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, 7, 197

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 3 x 3 x 7 x 197 = 4,765,824

This can also be written as 27 x 33 x 71 x 1971 = 4,765,824

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


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