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1951 AMC 12 Question 19

AMC12 · 1951 AMC 12

Question 19

A six-place number is formed by repeating a three-place number; for example, $256{,}256,$ or $678{,}678,$ etc. Any number of this form is always exactly divisible by:
  1. $7$ only
  2. $11$ only
  3. $13$ only
  4. $101$
  5. $1001$