Q: What are the prime factors of the number 172,712,760?

 A: 2, 3, 5, 11, 130843

Why are those the prime factors of the number 172,712,760?

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 172,712,760

172,712,760
Factor Arrows
286,356,380
Factor Arrows
243,178,190
Factor Arrows
221,589,095
Factor Arrows
37,196,365
Factor Arrows
51,439,273
Factor Arrows
11130,843

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, 3, 5, 11, 130843

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 11 x 130,843 = 172,712,760

This can also be written as 23 x 31 x 51 x 111 x 130,8431 = 172,712,760

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


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