Q: What are the prime factors of the number 30,861,750?

 A: 2, 3, 5, 41149

Why are those the prime factors of the number 30,861,750?

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 30,861,750

30,861,750
Factor Arrows
215,430,875
Factor Arrows
35,143,625
Factor Arrows
51,028,725
Factor Arrows
5205,745
Factor Arrows
541,149

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, 41149

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 5 x 41,149 = 30,861,750

This can also be written as 21 x 31 x 53 x 41,1491 = 30,861,750

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


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