Q: What are the prime factors of the number 47,234,700?

 A: 2, 3, 5, 31, 1693

Why are those the prime factors of the number 47,234,700?

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 47,234,700

47,234,700
Factor Arrows
223,617,350
Factor Arrows
211,808,675
Factor Arrows
33,936,225
Factor Arrows
31,312,075
Factor Arrows
5262,415
Factor Arrows
552,483
Factor Arrows
311,693

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, 31, 1693

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 5 x 31 x 1,693 = 47,234,700

This can also be written as 22 x 32 x 52 x 311 x 1,6931 = 47,234,700

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


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