Q: What are the prime factors of the number 54,823,728?

 A: 2, 3, 1142161

Why are those the prime factors of the number 54,823,728?

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 54,823,728

54,823,728
Factor Arrows
227,411,864
Factor Arrows
213,705,932
Factor Arrows
26,852,966
Factor Arrows
23,426,483
Factor Arrows
31,142,161

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, 1142161

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 1,142,161 = 54,823,728

This can also be written as 24 x 31 x 1,142,1611 = 54,823,728

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


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