Q: What are the prime factors of the number 27,980,232?

 A: 2, 3, 7, 17, 97, 101

Why are those the prime factors of the number 27,980,232?

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 27,980,232

27,980,232
Factor Arrows
213,990,116
Factor Arrows
26,995,058
Factor Arrows
23,497,529
Factor Arrows
31,165,843
Factor Arrows
7166,549
Factor Arrows
179,797
Factor Arrows
97101

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, 17, 97, 101

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 17 x 97 x 101 = 27,980,232

This can also be written as 23 x 31 x 71 x 171 x 971 x 1011 = 27,980,232

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


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