Q: What are the prime factors of the number 27,603,456?

 A: 2, 3, 17971

Why are those the prime factors of the number 27,603,456?

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 27,603,456

27,603,456
Factor Arrows
213,801,728
Factor Arrows
26,900,864
Factor Arrows
23,450,432
Factor Arrows
21,725,216
Factor Arrows
2862,608
Factor Arrows
2431,304
Factor Arrows
2215,652
Factor Arrows
2107,826
Factor Arrows
253,913
Factor Arrows
317,971

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, 17971

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 17,971 = 27,603,456

This can also be written as 29 x 31 x 17,9711 = 27,603,456

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


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