Q: What are the prime factors of the number 45,540,544?

 A: 2, 7, 101653

Why are those the prime factors of the number 45,540,544?

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 45,540,544

45,540,544
Factor Arrows
222,770,272
Factor Arrows
211,385,136
Factor Arrows
25,692,568
Factor Arrows
22,846,284
Factor Arrows
21,423,142
Factor Arrows
2711,571
Factor Arrows
7101,653

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, 7, 101653

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 101,653 = 45,540,544

This can also be written as 26 x 71 x 101,6531 = 45,540,544

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


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