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Answers for “什么是两个整数的最大公约数?”

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The Euclidean algorithm finds the greatest common divisor (GCD) of two integers without needing to factor them. The process involves repeatedly performing long division: divide the larger number by the smaller number, then divide the previous divisor by the remainder, and continue this process.

Conditions: Applies to two integers.; Requires repeated long division.; Stops when the remainder is zero.

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To start the Euclidean algorithm for gcd⁡(10,45)\gcd(10,45), you write the larger number as the smaller number multiplied by an unknown quotient plus an unknown remainder. Specifically, you set up the division equation 45=10⋅q+r45 = 10 \cdot q + r.

Conditions: The inputs are positive integers.; The larger number is placed on the left-hand side of the equation.; The quotient is an integer and the remainder satisfies 0≤r<100 \le r < 10.

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To compute the greatest common divisor of 1785 and 546, apply the Euclidean algorithm by repeatedly dividing the previous divisor by the previous remainder. Start with 1785 divided by 546.

Conditions: The inputs are 1785 and 546.; The Euclidean algorithm is used.; The division algorithm is applied at each step.

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To begin the Euclidean algorithm for gcd⁡(1701,3768)\gcd(1701, 3768), place the larger number (3768) on the left side of the division equation and the smaller number (1701) as the divisor. Write 3768=1701⋅q+r3768 = 1701 \cdot q + r.

Conditions: The inputs are positive integers.; The larger number is used first on the left-hand side.; The quotient is an integer and the remainder satisfies 0≤r<17010 \le r < 1701.