It is: 16
Chat with our AI personalities
64 and 16's highest common factor is 16.
64 and 40's highest common factor is eight.
The LCM of 16 and 64 is 64. Since 16 is a factor of 64, 64 is automatically the LCM of the pair.
The GCF of 8, 16, and 64 is 8. Since 8 is a factor of both 16 and 64, it is clearly the greatest common factor of the three.
The GCF is 16.