Q: What are the prime factors of the number 11,772,360?

 A: 2, 3, 5, 53, 617

Why are those the prime factors of the number 11,772,360?

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 11,772,360

11,772,360
Factor Arrows
25,886,180
Factor Arrows
22,943,090
Factor Arrows
21,471,545
Factor Arrows
3490,515
Factor Arrows
3163,505
Factor Arrows
532,701
Factor Arrows
53617

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, 53, 617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 53 x 617 = 11,772,360

This can also be written as 23 x 32 x 51 x 531 x 6171 = 11,772,360

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


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