Hint: Think tribonacci — each step depends on the three before it.

Answer: 180,396,380,815,100,901,214,157,639 — wait, for 100 steps: 180,396,380,815,100,901,214,157,639

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Find the Missing Number!

🔢 If 3x + 7 = 22, what is x?

Hint: Subtract 7 from both sides first, then divide.

Answer: x = 5

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The Sneaky Missing Digit

Find the 8-digit number ABCDEFGH where each letter is a unique digit (1–9, no zero), and AB × CD × EF × GH = ABCDEFGH. What is ABCDEFGH?

Hint: Try small two-digit pairs whose product stays in range.

Answer: No such number exists — the trap IS the puzzle! Largest possible product falls short.

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The Stubborn Factor Hunt

Find the smallest prime number that divides 10²⁶ + 1. 🔍

Hint: Think about remainders when dividing powers of 10.

Answer: 101 (since 10²⁶ + 1 = (10²)¹³ + 1, and 101 divides 10² + 1 = 101)

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The Sneaky Number Sequence

What is the next number in the sequence? 2, 3, 5, 7, 11, 13, __, 19

Hint: Think about numbers with exactly two factors.

Answer: 17

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