IB skill practice

Use Euclidean algorithm and gcd

Apply the Euclidean algorithm and Bezout relationships to integer problems.

Paper 1, Paper 2 5 marks Difficulty 3

Use Euclidean algorithm and gcd - Euclidean algorithm and gcd item

Case B1. Use the Euclidean-chain diagram and calculate the requested gcd or lcm quantity.

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.