Q: What are the prime factors of the number 181,545,003?

 A: 3, 23, 292343

Why are those the prime factors of the number 181,545,003?

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 181,545,003

181,545,003
Factor Arrows
360,515,001
Factor Arrows
320,171,667
Factor Arrows
36,723,889
Factor Arrows
23292,343

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:

3, 23, 292343

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 23 x 292,343 = 181,545,003

This can also be written as 33 x 231 x 292,3431 = 181,545,003

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


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