Q: What are the prime factors of the number 118,725,886?

 A: 2, 61, 73, 13331

Why are those the prime factors of the number 118,725,886?

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 118,725,886

118,725,886
Factor Arrows
259,362,943
Factor Arrows
61973,163
Factor Arrows
7313,331

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, 61, 73, 13331

We can check our work by multiplying all of the prime factors together: 2 x 61 x 73 x 13,331 = 118,725,886

This can also be written as 21 x 611 x 731 x 13,3311 = 118,725,886

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


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