Q: What are the prime factors of the number 11,767,920?

 A: 2, 3, 5, 49033

Why are those the prime factors of the number 11,767,920?

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 11,767,920

11,767,920
Factor Arrows
25,883,960
Factor Arrows
22,941,980
Factor Arrows
21,470,990
Factor Arrows
2735,495
Factor Arrows
3245,165
Factor Arrows
549,033

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, 49033

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 49,033 = 11,767,920

This can also be written as 24 x 31 x 51 x 49,0331 = 11,767,920

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


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