Q: What are the prime factors of the number 47,451,663?

 A: 3, 7, 83689

Why are those the prime factors of the number 47,451,663?

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 47,451,663

47,451,663
Factor Arrows
315,817,221
Factor Arrows
35,272,407
Factor Arrows
31,757,469
Factor Arrows
3585,823
Factor Arrows
783,689

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:

3, 7, 83689

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 7 x 83,689 = 47,451,663

This can also be written as 34 x 71 x 83,6891 = 47,451,663

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


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