# What is the GCF of 18 and 89?

The GCF is 1.

GCF(18, 89) = 1. The numbers are coprime.

### The greatest number which divides 10698 6443 14995 leaving 18 35 43 as remainder respectively?

10698 ÷ gcf = n remainder 18 → gcf divides 10698 - 18 = 10680 6443 ÷ gcf = m remainder 35 → gcf divides 6443 - 35 = 6408 14995 ÷ gcf = k remainder 43 → gcf divides 14995 - 43 = 14952 Therefore want gcf(10680, 6408, 14952) = 2136. Using prime factorization method: 10680 = 2³ x 3 x 5 x 89 6408 = 2³ x 3² x 89 14952 = 2³…