Q: What are the prime factors of the number 181,605,682?

 A: 2, 127, 401, 1783

Why are those the prime factors of the number 181,605,682?

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 181,605,682

181,605,682
Factor Arrows
290,802,841
Factor Arrows
127714,983
Factor Arrows
4011,783

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, 127, 401, 1783

We can check our work by multiplying all of the prime factors together: 2 x 127 x 401 x 1,783 = 181,605,682

This can also be written as 21 x 1271 x 4011 x 1,7831 = 181,605,682

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


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