answersLogoWhite

0

The factors of 5 are 1 and 5.

The factors of 10 are 1, 2, 5, and 10.

The factors of 20 are 1, 2, 4, 5, 10, and 20.

The common factors are 1 and 5. Therefore, the least (smallest) common factor is 1.

User Avatar

Wiki User

16y ago

What else can I help you with?