Q: What are the prime factors of the number 27,678,504?

 A: 2, 3, 7, 67, 2459

Why are those the prime factors of the number 27,678,504?

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 27,678,504

27,678,504
Factor Arrows
213,839,252
Factor Arrows
26,919,626
Factor Arrows
23,459,813
Factor Arrows
31,153,271
Factor Arrows
7164,753
Factor Arrows
672,459

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, 67, 2459

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 67 x 2,459 = 27,678,504

This can also be written as 23 x 31 x 71 x 671 x 2,4591 = 27,678,504

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


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