Q: What are the prime factors of the number 81,376,671?

 A: 3, 17, 263, 6067

Why are those the prime factors of the number 81,376,671?

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 81,376,671

81,376,671
Factor Arrows
327,125,557
Factor Arrows
171,595,621
Factor Arrows
2636,067

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, 17, 263, 6067

We can check our work by multiplying all of the prime factors together: 3 x 17 x 263 x 6,067 = 81,376,671

This can also be written as 31 x 171 x 2631 x 6,0671 = 81,376,671

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


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