Q: What are the prime factors of the number 32,181,375?

 A: 3, 5, 85817

Why are those the prime factors of the number 32,181,375?

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 32,181,375

32,181,375
Factor Arrows
310,727,125
Factor Arrows
52,145,425
Factor Arrows
5429,085
Factor Arrows
585,817

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, 85817

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 5 x 85,817 = 32,181,375

This can also be written as 31 x 53 x 85,8171 = 32,181,375

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


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