Q: What are the prime factors of the number 171,331,335?

 A: 3, 5, 7, 181303

Why are those the prime factors of the number 171,331,335?

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 171,331,335

171,331,335
Factor Arrows
357,110,445
Factor Arrows
319,036,815
Factor Arrows
36,345,605
Factor Arrows
51,269,121
Factor Arrows
7181,303

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, 5, 7, 181303

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 7 x 181,303 = 171,331,335

This can also be written as 33 x 51 x 71 x 181,3031 = 171,331,335

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


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