Q: What are the prime factors of the number 68,757,766?

 A: 2, 7, 11, 37, 1097

Why are those the prime factors of the number 68,757,766?

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 68,757,766

68,757,766
Factor Arrows
234,378,883
Factor Arrows
74,911,269
Factor Arrows
11446,479
Factor Arrows
1140,589
Factor Arrows
371,097

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, 7, 11, 37, 1097

We can check our work by multiplying all of the prime factors together: 2 x 7 x 11 x 11 x 37 x 1,097 = 68,757,766

This can also be written as 21 x 71 x 112 x 371 x 1,0971 = 68,757,766

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


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