Q: What are the prime factors of the number 77,073,403?

 A: 11, 101, 173, 401

Why are those the prime factors of the number 77,073,403?

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 77,073,403

77,073,403
Factor Arrows
117,006,673
Factor Arrows
10169,373
Factor Arrows
173401

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:

11, 101, 173, 401

We can check our work by multiplying all of the prime factors together: 11 x 101 x 173 x 401 = 77,073,403

This can also be written as 111 x 1011 x 1731 x 4011 = 77,073,403

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


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