Q: What are the prime factors of the number 47,117,250?

 A: 2, 3, 5, 43, 487

Why are those the prime factors of the number 47,117,250?

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 47,117,250

47,117,250
Factor Arrows
223,558,625
Factor Arrows
37,852,875
Factor Arrows
32,617,625
Factor Arrows
5523,525
Factor Arrows
5104,705
Factor Arrows
520,941
Factor Arrows
43487

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, 5, 43, 487

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 5 x 5 x 43 x 487 = 47,117,250

This can also be written as 21 x 32 x 53 x 431 x 4871 = 47,117,250

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


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