Mind-Blowing Trick! Find Minimum (a+b) in 7^a + 3^b ≡ 568 (mod 1000) using CRT & Euler
July 31, 2026 · 1 min read
Mind-Blowing Trick! Find Minimum (a+b) in 7^a + 3^b ≡ 568 (mod 1000) using CRT & Euler is very important problem where in the modular arithmetic, Congruence modulo, last three digits of an unknown exponential equation, Chinese remainder theorem, Euler totient theorem concepts are used extensively used and explained.
Mind-Blowing Trick! Find Minimum (a+b) in 7^a + 3^b ≡ 568 (mod 1000) using CRT & Euler Video is published on YouTube from my channel maths&science by iitian for math Olympiad aspirants , JEE aspirants and math enthusiasts.
The video link is here by embedded.
“Struggling with CRT and Residue Cycles? Watch me break down the exact step-by-step trick to solve this in under 5 minutes:”
Min(a+b) from 7^a + 3^b ≡ 568 (mod 1000) – CRT & Euler Trick