Q: What are the prime factors of the number 28,180,185?

 A: 3, 5, 11, 233, 733

Why are those the prime factors of the number 28,180,185?

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 28,180,185

28,180,185
Factor Arrows
39,393,395
Factor Arrows
51,878,679
Factor Arrows
11170,789
Factor Arrows
233733

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:

3, 5, 11, 233, 733

We can check our work by multiplying all of the prime factors together: 3 x 5 x 11 x 233 x 733 = 28,180,185

This can also be written as 31 x 51 x 111 x 2331 x 7331 = 28,180,185

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


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