Q: What are the prime factors of the number 27,237,100?

 A: 2, 5, 11, 2251

Why are those the prime factors of the number 27,237,100?

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 27,237,100

27,237,100
Factor Arrows
213,618,550
Factor Arrows
26,809,275
Factor Arrows
51,361,855
Factor Arrows
5272,371
Factor Arrows
1124,761
Factor Arrows
112,251

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, 5, 11, 2251

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 11 x 11 x 2,251 = 27,237,100

This can also be written as 22 x 52 x 112 x 2,2511 = 27,237,100

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


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