Q: What are the prime factors of the number 738,657,661?

 A: 7, 19, 53, 104789

Why are those the prime factors of the number 738,657,661?

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 738,657,661

738,657,661
Factor Arrows
7105,522,523
Factor Arrows
195,553,817
Factor Arrows
53104,789

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:

7, 19, 53, 104789

We can check our work by multiplying all of the prime factors together: 7 x 19 x 53 x 104,789 = 738,657,661

This can also be written as 71 x 191 x 531 x 104,7891 = 738,657,661

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


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