What is the greatest common factor of 84 90 210?

Answer 1

The GCF is 6.

The greatest common factor is the highest number that divides exactly into two or more numbers.

84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

The GCF for 84 and 90 is 6.

Answer 2

• Factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84.
• Factors of 90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90.
• Factors of 210: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210.

GCF (84, 90, 210) = 6

Answer 3

The GCF is 6.

Answer 4

The GCF is 6.

Answer 5

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