are whole numbers and neither of which are divisible by 10. If the product of equals 20000, find the absolute value of the difference of .

Source: mathcontest.olemiss.edu 12/1/2008

**SOLUTION
**This problem is similar to the problem titled “100000” dated 1/12/2009.

Since we want not divisible by 10, we should keep the 2’s and 5’s separate when we form the two factors of 20000. Thus,

.

**Answer**: 593.

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