Q: What are the prime factors of the number 187,830,225?

 A: 3, 5, 11, 41, 617

Why are those the prime factors of the number 187,830,225?

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 187,830,225

187,830,225
Factor Arrows
362,610,075
Factor Arrows
320,870,025
Factor Arrows
36,956,675
Factor Arrows
51,391,335
Factor Arrows
5278,267
Factor Arrows
1125,297
Factor Arrows
41617

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, 41, 617

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 5 x 11 x 41 x 617 = 187,830,225

This can also be written as 33 x 52 x 111 x 411 x 6171 = 187,830,225

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


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