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Answers for “当欧几里得算法给出最大公约数为 1 时意味着什么?”

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When the Euclidean algorithm yields a greatest common divisor of 1, it means the two input numbers are relatively prime (or coprime). This indicates that they share no common positive integer divisors other than 1.

Conditions: The inputs are natural numbers.; The Euclidean algorithm terminates with a last nonzero remainder of 1.

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To compute gcd⁡(5295,4321)\gcd(5295, 4321), apply the Euclidean algorithm by repeatedly dividing the previous divisor by the previous remainder. Start with 5295=1⋅4321+9745295 = 1 \cdot 4321 + 974.

Conditions: The inputs are 5295 and 4321.; The Euclidean algorithm is used.; The division algorithm is applied at each step.

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The Euclidean algorithm computes the greatest common divisor by repeatedly applying the division algorithm. Starting with two natural numbers aa and bb, you divide the larger by the smaller to get a quotient and a remainder.

Conditions: The inputs aa and bb are natural numbers.; The division algorithm is applied repeatedly.; The process stops when a remainder equals 0.