Q: What are the prime factors of the number 31,716,030?

 A: 2, 3, 5, 37, 28573

Why are those the prime factors of the number 31,716,030?

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 31,716,030

31,716,030
Factor Arrows
215,858,015
Factor Arrows
35,286,005
Factor Arrows
51,057,201
Factor Arrows
3728,573

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, 37, 28573

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 37 x 28,573 = 31,716,030

This can also be written as 21 x 31 x 51 x 371 x 28,5731 = 31,716,030

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


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