Q: What are the prime factors of the number 30,153,856?

 A: 2, 235577

Why are those the prime factors of the number 30,153,856?

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 30,153,856

30,153,856
Factor Arrows
215,076,928
Factor Arrows
27,538,464
Factor Arrows
23,769,232
Factor Arrows
21,884,616
Factor Arrows
2942,308
Factor Arrows
2471,154
Factor Arrows
2235,577

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, 235577

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 235,577 = 30,153,856

This can also be written as 27 x 235,5771 = 30,153,856

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


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