Q: What are the prime factors of the number 47,050,686?

 A: 2, 3, 23, 43, 881

Why are those the prime factors of the number 47,050,686?

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 47,050,686

47,050,686
Factor Arrows
223,525,343
Factor Arrows
37,841,781
Factor Arrows
32,613,927
Factor Arrows
3871,309
Factor Arrows
2337,883
Factor Arrows
43881

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, 3, 23, 43, 881

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 23 x 43 x 881 = 47,050,686

This can also be written as 21 x 33 x 231 x 431 x 8811 = 47,050,686

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


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