Q: What are the prime factors of the number 777,166,474?

 A: 2, 7, 61, 910031

Why are those the prime factors of the number 777,166,474?

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 777,166,474

777,166,474
Factor Arrows
2388,583,237
Factor Arrows
755,511,891
Factor Arrows
61910,031

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, 61, 910031

We can check our work by multiplying all of the prime factors together: 2 x 7 x 61 x 910,031 = 777,166,474

This can also be written as 21 x 71 x 611 x 910,0311 = 777,166,474

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


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