Q: What are the prime factors of the number 11,739,180?

 A: 2, 3, 5, 17, 677

Why are those the prime factors of the number 11,739,180?

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 11,739,180

11,739,180
Factor Arrows
25,869,590
Factor Arrows
22,934,795
Factor Arrows
3978,265
Factor Arrows
5195,653
Factor Arrows
1711,509
Factor Arrows
17677

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, 17, 677

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 17 x 17 x 677 = 11,739,180

This can also be written as 22 x 31 x 51 x 172 x 6771 = 11,739,180

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


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