How do you check if a number is Even or Odd using bits?

Updated Apr 28, 2026

Short answer

Check the Least Significant Bit (LSB). If n & 1 == 0, it's even.

Deep explanation

Bit manipulation at the hardware level is faster than arithmetic. Check the Least Significant Bit (LSB). If n & 1 == 0, it's even. This is fundamental for low-level optimization.

Real-world example

Flag management in simple game engines.

Common mistakes

Forgetting that bitwise operators have lower precedence than comparison operators.

Follow-up questions

What is 1 << 3?

Short answer

Deep explanation

Real-world example

Common mistakes

Follow-up questions

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