Q: What are the prime factors of the number 162,187,762?

 A: 2, 11, 19, 388009

Why are those the prime factors of the number 162,187,762?

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 162,187,762

162,187,762
Factor Arrows
281,093,881
Factor Arrows
117,372,171
Factor Arrows
19388,009

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, 11, 19, 388009

We can check our work by multiplying all of the prime factors together: 2 x 11 x 19 x 388,009 = 162,187,762

This can also be written as 21 x 111 x 191 x 388,0091 = 162,187,762

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


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