Q: What are the prime factors of the number 36,891,960?

 A: 2, 3, 5, 7, 37, 1187

Why are those the prime factors of the number 36,891,960?

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 36,891,960

36,891,960
Factor Arrows
218,445,980
Factor Arrows
29,222,990
Factor Arrows
24,611,495
Factor Arrows
31,537,165
Factor Arrows
5307,433
Factor Arrows
743,919
Factor Arrows
371,187

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, 7, 37, 1187

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 7 x 37 x 1,187 = 36,891,960

This can also be written as 23 x 31 x 51 x 71 x 371 x 1,1871 = 36,891,960

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


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