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Question
Find the greatest common divisor (GCD) of 140, 210, and 350.
Find the greatest common divisor (GCD) of 140, 210, and 350.
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Solution
The correct option is D 70
The factors of 140:
1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, and 140
The factors of 210:
1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, and 210
The factors of 350:
1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, and 350
The greatest common divisor (GCD) of 140, 210, and 350 is 70.
The factors of 140:
1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, and 140
The factors of 210:
1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, and 210
The factors of 350:
1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, and 350
The greatest common divisor (GCD) of 140, 210, and 350 is 70.
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