Nerdle #1370 Answer
Monday, October 20, 2025
60*4=240
- Structure
- AB*C=DEF
- Type
- Mixed-Length Multiplication
- Result
- 240
How the clues would have read
- Today's equation begins with a two-digit number in the 60s.
- This puzzle uses multiplication only.
- The result is a 3-digit even number.
The numbers behind it
- Divisibility: 60 is divisible by 2, 3, 4, 5, 6, 10, 12, 15, 20, and 30, 4 is divisible by 2, and 240 is divisible by 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, and 120
- Digital roots: 60 → 6+0 = 6, 4 → 4, 240 → 2+4+0 = 6
- Prime factorization: 60 = 2²×3×5, 4 = 2², 240 = 2⁴×3×5
Why the structure matters
This puzzle's shape is AB*C=DEF — a mixed-length multiplication, where each letter stands for one digit. Recognising the shape before the arithmetic is what separates a three-guess solve from a six-guess struggle: once you know the equation is a mixed-length multiplication, most of the search space is gone before you have spent a single guess.
The result, 240, factors as 2⁴×3×5 — those factors are exactly the operations that could have produced it.
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