Q: What are the prime factors of the number 36,091,545?

 A: 3, 5, 7, 19, 79, 229

Why are those the prime factors of the number 36,091,545?

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 36,091,545

36,091,545
Factor Arrows
312,030,515
Factor Arrows
52,406,103
Factor Arrows
7343,729
Factor Arrows
1918,091
Factor Arrows
79229

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, 7, 19, 79, 229

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 19 x 79 x 229 = 36,091,545

This can also be written as 31 x 51 x 71 x 191 x 791 x 2291 = 36,091,545

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


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