Nerdle #814 Answer
Friday, April 12, 2024
20*1/5=4
- Structure
- AB*C/D=E
- Type
- Mixed Multiplication and Division
- Result
- 4
How the clues would have read
- Today's equation begins with a two-digit number in the 20s.
- This puzzle uses division and multiplication operations.
- The result is a single-digit even number.
The numbers behind it
- Divisibility: 20 is divisible by 2, 4, 5, and 10, 1 is prime, 5 is prime, and 4 is divisible by 2
- Digital roots: 20 → 2+0 = 2, 1 → 1, 5 → 5, 4 → 4
- Prime factorization: 20 = 2²×5, 1 has no prime factors, 5 = 5, 4 = 2²
Why the structure matters
This puzzle's shape is AB*C/D=E — a mixed multiplication and division, 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 multiplication and division, most of the search space is gone before you have spent a single guess.
The result, 4, factors as 2² — those factors are exactly the operations that could have produced it.
Nerdle is made by Nerdle Limited. nerdle.vip is an independent fan site and is not affiliated with or endorsed by them. Puzzle numbers and answers on this page refer to the official game at nerdlegame.com.