Q: What are the prime factors of the number 185,658,930?

 A: 2, 3, 5, 47, 43891

Why are those the prime factors of the number 185,658,930?

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 185,658,930

185,658,930
Factor Arrows
292,829,465
Factor Arrows
330,943,155
Factor Arrows
310,314,385
Factor Arrows
52,062,877
Factor Arrows
4743,891

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, 47, 43891

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 47 x 43,891 = 185,658,930

This can also be written as 21 x 32 x 51 x 471 x 43,8911 = 185,658,930

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


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