The factors of 42 are 1,2,3,6,7,14,21,42. The factors of 66 are 1,2,3,6,11,22,33,66
The GCF is 3.
The common factors are: 1, 2, 3, 6
The GCF is 6.
42 and 66 have the greatest common divisor of 6, so you can divide both factors by 6 to get 7/11.
42:42,84,126,168,210,252,294,336,378,420,462 66:66,132,198,264,330,396,462
30, 42, 66, 70 and 78.
30, 42, 66, 70 and 78.
The LCM of (42, 66) = 462
The GCF is 6.
42/66=42/6=7 66/6=11 =7/11
30, 42, 66, 70 and 78.
The greatest common factor of 42 and 66 is 6.