I am a pair of prime numbers that differ by only two. The sum of my digits is 10. What are my numbers?
Category: Math · Difficulty: hard
Hint: Look for small prime pairs.
Answer
3 and 7
Explanation
The prime numbers 3 and 5 differ by 2, and their digits sum to 8, but the idea is to find pairs that meet both criteria.
This is a hard math riddle — a tricky one that takes a little thought. The answer is 3 and 7.
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