Q: What are the prime factors of the number 47,458,250?

 A: 2, 5, 7, 47, 577

Why are those the prime factors of the number 47,458,250?

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 47,458,250

47,458,250
Factor Arrows
223,729,125
Factor Arrows
54,745,825
Factor Arrows
5949,165
Factor Arrows
5189,833
Factor Arrows
727,119
Factor Arrows
47577

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, 7, 47, 577

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 7 x 47 x 577 = 47,458,250

This can also be written as 21 x 53 x 71 x 471 x 5771 = 47,458,250

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


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