The next perfect number after 6 is 28 (its factors 1, 2, 4, 7, 14 add up to 28). What is the sum of these two smallest perfect numbers?
- A.28
- B.30
- C.32
- D.34 ✓
Explanation: 6 + 28 = 34.
Class 6 IMO Mathematics Olympiad practice · Number Sense · Factors, Multiples & Primes
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