Company H distributed $4,000 and 180 pencils evenly among it

Each employee got equal amount of dollars and equal number of pencils all in whole numbers without remainder. The greatest number of employees that could work for company H will be the highest common factor of $4,000 and 180 pencils.
Using prime factorization,
Prime factors of 4000 = 2*2*2*2*2*5*5*5
Prime factors of 180 = 2*2*3*3*5
Common prime factor = 2*2*5
Highest common factor = 20
Hence, 180/20 = 9; and #4000/20 = $200

Therefore, the greatnest number of employees working at company H is 20 employees with each of them getting $200, and 9 pencils each. Hence, the answer is option C.

Thanks.