answersLogoWhite

0

The factors of 21 are: 1, 3, 7, 21.

The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84.

The common factors are: 1, 3, 7, 21

User Avatar

Wiki User

10y ago

What else can I help you with?