nerdle

Nerdle #1435 Answer

Wednesday, December 24, 2025

4*8−9=23
Structure
A*B-C=DE
Type
Mixed Multiplication and Subtraction
Result
23

How the clues would have read

  • Today's equation begins with a single-digit number.
  • This puzzle uses multiplication and subtraction operations.
  • The result is a 2-digit odd number.

The numbers behind it

  • Divisibility: 4 is divisible by 2, 8 is divisible by 2 and 4, 9 is divisible by 3, and 23 is prime
  • Digital roots: 4 → 4, 8 → 8, 9 → 9, 23 → 2+3 = 5
  • Prime factorization: 4 = 2², 8 = 2³, 9 = 3², 23 = 23

Why the structure matters

This puzzle's shape is A*B-C=DE — a mixed multiplication and subtraction, 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 subtraction, most of the search space is gone before you have spent a single guess.

The result, 23, is prime — so it cannot be reached by multiplying two smaller whole numbers, which rules out a whole family of candidate equations immediately.

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