Q: What are the prime factors of the number 172,769,936?

 A: 2, 29, 59, 6311

Why are those the prime factors of the number 172,769,936?

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 172,769,936

172,769,936
Factor Arrows
286,384,968
Factor Arrows
243,192,484
Factor Arrows
221,596,242
Factor Arrows
210,798,121
Factor Arrows
29372,349
Factor Arrows
596,311

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, 29, 59, 6311

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 29 x 59 x 6,311 = 172,769,936

This can also be written as 24 x 291 x 591 x 6,3111 = 172,769,936

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


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