Q: What are the prime factors of the number 32,387,140?

 A: 2, 5, 257, 6301

Why are those the prime factors of the number 32,387,140?

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 32,387,140

32,387,140
Factor Arrows
216,193,570
Factor Arrows
28,096,785
Factor Arrows
51,619,357
Factor Arrows
2576,301

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, 5, 257, 6301

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 257 x 6,301 = 32,387,140

This can also be written as 22 x 51 x 2571 x 6,3011 = 32,387,140

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


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