Q: What are the prime factors of the number 47,776?

 A: 2, 1493

Why are those the prime factors of the number 47,776?

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 47,776

47,776
Factor Arrows
223,888
Factor Arrows
211,944
Factor Arrows
25,972
Factor Arrows
22,986
Factor Arrows
21,493

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, 1493

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 1,493 = 47,776

This can also be written as 25 x 1,4931 = 47,776

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


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