Q: What are the prime factors of the number 26,748,288?

 A: 2, 3, 7, 31, 107

Why are those the prime factors of the number 26,748,288?

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 26,748,288

26,748,288
Factor Arrows
213,374,144
Factor Arrows
26,687,072
Factor Arrows
23,343,536
Factor Arrows
21,671,768
Factor Arrows
2835,884
Factor Arrows
2417,942
Factor Arrows
2208,971
Factor Arrows
369,657
Factor Arrows
323,219
Factor Arrows
73,317
Factor Arrows
31107

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, 31, 107

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 7 x 31 x 107 = 26,748,288

This can also be written as 27 x 32 x 71 x 311 x 1071 = 26,748,288

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


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