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 Interactive Checkpoint
 Deficient Number:  A number in which the sum of all its proper divisors is less than the number itself.

Answer the following questions about deficient numers.

Select the answer for part (a) and enter the answer for part (b) in the left column and press tab to check your result.

Graded Response

 a) Is 14 a deficient number ?  a)
 b) Identify a nonprime deficient number between 20 and 30  b)