Q: What are the prime factors of the number 23,791,480?

 A: 2, 5, 41, 89, 163

Why are those the prime factors of the number 23,791,480?

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 23,791,480

23,791,480
Factor Arrows
211,895,740
Factor Arrows
25,947,870
Factor Arrows
22,973,935
Factor Arrows
5594,787
Factor Arrows
4114,507
Factor Arrows
89163

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, 41, 89, 163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 41 x 89 x 163 = 23,791,480

This can also be written as 23 x 51 x 411 x 891 x 1631 = 23,791,480

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


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