Q: What are the prime factors of the number 45,743,184?

 A: 2, 3, 19, 5573

Why are those the prime factors of the number 45,743,184?

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 45,743,184

45,743,184
Factor Arrows
222,871,592
Factor Arrows
211,435,796
Factor Arrows
25,717,898
Factor Arrows
22,858,949
Factor Arrows
3952,983
Factor Arrows
3317,661
Factor Arrows
3105,887
Factor Arrows
195,573

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, 19, 5573

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 19 x 5,573 = 45,743,184

This can also be written as 24 x 33 x 191 x 5,5731 = 45,743,184

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


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