answersLogoWhite

0

The factors of 143 are:

1, 11, 13, 143

The factors of 220 are:

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220

The common factors are:

1, 11

Therefore, the Greatest Common Factor (GCF) is: 11

User Avatar

Wiki User

12y ago

What else can I help you with?