Instantly Multiply Any Two Numbers Around 50!
Want to multiply 47 × 53 fast? Use this trick!

👉 Step 1: Find the difference from 50
✔ 47 = 50 - 3
✔ 53 = 50 + 3

👉 Step 2: Multiply the differences:
✔ (-3) × (+3) = -9

👉 Step 3: Add the first number’s base (50) squared:
1/2