Q: What are the prime factors of the number 113,320,240?

 A: 2, 5, 11, 131, 983

Why are those the prime factors of the number 113,320,240?

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 113,320,240

113,320,240
Factor Arrows
256,660,120
Factor Arrows
228,330,060
Factor Arrows
214,165,030
Factor Arrows
27,082,515
Factor Arrows
51,416,503
Factor Arrows
11128,773
Factor Arrows
131983

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, 131, 983

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 131 x 983 = 113,320,240

This can also be written as 24 x 51 x 111 x 1311 x 9831 = 113,320,240

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


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