Q: What are the prime factors of the number 165,041,360?

 A: 2, 5, 11, 187547

Why are those the prime factors of the number 165,041,360?

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 165,041,360

165,041,360
Factor Arrows
282,520,680
Factor Arrows
241,260,340
Factor Arrows
220,630,170
Factor Arrows
210,315,085
Factor Arrows
52,063,017
Factor Arrows
11187,547

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, 5, 11, 187547

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 11 x 187,547 = 165,041,360

This can also be written as 24 x 51 x 111 x 187,5471 = 165,041,360

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


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