Q: What are the prime factors of the number 173,554,040?

 A: 2, 5, 11, 131, 3011

Why are those the prime factors of the number 173,554,040?

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 173,554,040

173,554,040
Factor Arrows
286,777,020
Factor Arrows
243,388,510
Factor Arrows
221,694,255
Factor Arrows
54,338,851
Factor Arrows
11394,441
Factor Arrows
1313,011

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, 11, 131, 3011

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 11 x 131 x 3,011 = 173,554,040

This can also be written as 23 x 51 x 111 x 1311 x 3,0111 = 173,554,040

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


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