Q: What are the prime factors of the number 186,238,560?

 A: 2, 3, 5, 67, 5791

Why are those the prime factors of the number 186,238,560?

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 186,238,560

186,238,560
Factor Arrows
293,119,280
Factor Arrows
246,559,640
Factor Arrows
223,279,820
Factor Arrows
211,639,910
Factor Arrows
25,819,955
Factor Arrows
31,939,985
Factor Arrows
5387,997
Factor Arrows
675,791

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, 5, 67, 5791

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 67 x 5,791 = 186,238,560

This can also be written as 25 x 31 x 51 x 671 x 5,7911 = 186,238,560

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


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