Q: What are the prime factors of the number 172,731,614?

 A: 2, 11, 37, 101, 191

Why are those the prime factors of the number 172,731,614?

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 172,731,614

172,731,614
Factor Arrows
286,365,807
Factor Arrows
117,851,437
Factor Arrows
11713,767
Factor Arrows
3719,291
Factor Arrows
101191

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, 11, 37, 101, 191

We can check our work by multiplying all of the prime factors together: 2 x 11 x 11 x 37 x 101 x 191 = 172,731,614

This can also be written as 21 x 112 x 371 x 1011 x 1911 = 172,731,614

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


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