Q: What are the prime factors of the number 47,539,480?

 A: 2, 5, 17, 69911

Why are those the prime factors of the number 47,539,480?

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 47,539,480

47,539,480
Factor Arrows
223,769,740
Factor Arrows
211,884,870
Factor Arrows
25,942,435
Factor Arrows
51,188,487
Factor Arrows
1769,911

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, 5, 17, 69911

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 17 x 69,911 = 47,539,480

This can also be written as 23 x 51 x 171 x 69,9111 = 47,539,480

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


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