Q: What are the prime factors of the number 47,011,237?

 A: 7, 13, 811

Why are those the prime factors of the number 47,011,237?

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 47,011,237

47,011,237
Factor Arrows
76,715,891
Factor Arrows
7959,413
Factor Arrows
7137,059
Factor Arrows
1310,543
Factor Arrows
13811

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:

7, 13, 811

We can check our work by multiplying all of the prime factors together: 7 x 7 x 7 x 13 x 13 x 811 = 47,011,237

This can also be written as 73 x 132 x 8111 = 47,011,237

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


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