Q: What are the prime factors of the number 662,776,653?

 A: 3, 7, 11, 97, 2689

Why are those the prime factors of the number 662,776,653?

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 662,776,653

662,776,653
Factor Arrows
3220,925,551
Factor Arrows
731,560,793
Factor Arrows
112,869,163
Factor Arrows
11260,833
Factor Arrows
972,689

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:

3, 7, 11, 97, 2689

We can check our work by multiplying all of the prime factors together: 3 x 7 x 11 x 11 x 97 x 2,689 = 662,776,653

This can also be written as 31 x 71 x 112 x 971 x 2,6891 = 662,776,653

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


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