Q: What are the prime factors of the number 47,278,543?

 A: 13, 43, 83, 1019

Why are those the prime factors of the number 47,278,543?

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 47,278,543

47,278,543
Factor Arrows
133,636,811
Factor Arrows
4384,577
Factor Arrows
831,019

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:

13, 43, 83, 1019

We can check our work by multiplying all of the prime factors together: 13 x 43 x 83 x 1,019 = 47,278,543

This can also be written as 131 x 431 x 831 x 1,0191 = 47,278,543

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


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