Q: What are the prime factors of the number 47,708,375?

 A: 5, 11, 13, 17, 157

Why are those the prime factors of the number 47,708,375?

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 47,708,375

47,708,375
Factor Arrows
59,541,675
Factor Arrows
51,908,335
Factor Arrows
5381,667
Factor Arrows
1134,697
Factor Arrows
132,669
Factor Arrows
17157

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:

5, 11, 13, 17, 157

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 11 x 13 x 17 x 157 = 47,708,375

This can also be written as 53 x 111 x 131 x 171 x 1571 = 47,708,375

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


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