Q: What are the prime factors of the number 181,054,090?

 A: 2, 5, 7, 419, 6173

Why are those the prime factors of the number 181,054,090?

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 181,054,090

181,054,090
Factor Arrows
290,527,045
Factor Arrows
518,105,409
Factor Arrows
72,586,487
Factor Arrows
4196,173

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, 7, 419, 6173

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 419 x 6,173 = 181,054,090

This can also be written as 21 x 51 x 71 x 4191 x 6,1731 = 181,054,090

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


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