What is the greatest common factor of 42 90 and 81?

Answer 1

• The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42.
• The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90.
• The common factors are: 1, 2, 3, 6
• The Greatest Common Factor (GCF) is: 6

Answer 2

The GCF is 6.

Answer 3

The GCF is 3.

Answer 4

The GCF is 6.

Answer 5

The GCF is 6.

Answer 6

The GCF of 42, 75, and 90 is 3.

Answer 7

GCF(42, 90, 66) = 6.

Answer 8

GCF(42, 75, 90) = 3

Answer 9

10