Q: What are the prime factors of the number 43,481,680?

 A: 2, 5, 11, 49411

Why are those the prime factors of the number 43,481,680?

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 43,481,680

43,481,680
Factor Arrows
221,740,840
Factor Arrows
210,870,420
Factor Arrows
25,435,210
Factor Arrows
22,717,605
Factor Arrows
5543,521
Factor Arrows
1149,411

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, 49411

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 49,411 = 43,481,680

This can also be written as 24 x 51 x 111 x 49,4111 = 43,481,680

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


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