Q: What are the prime factors of the number 5,151,040?

 A: 2, 5, 16097

Why are those the prime factors of the number 5,151,040?

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 5,151,040

5,151,040
Factor Arrows
22,575,520
Factor Arrows
21,287,760
Factor Arrows
2643,880
Factor Arrows
2321,940
Factor Arrows
2160,970
Factor Arrows
280,485
Factor Arrows
516,097

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, 5, 16097

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 5 x 16,097 = 5,151,040

This can also be written as 26 x 51 x 16,0971 = 5,151,040

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


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