The GCF is 1.
73 is the 21st prime number. 21 is 7*3. 73 reversed is 37. 37 is the 12th prime number (which is 21 reversed) Finally, 73 in binary is 1001001 which backwards is 1001001 (it's palindromic).
The GCF is 73.
The GCF is 1.
The GCF is 1.
The GCF is 3.
The GCF is 1.
The GCF is 1.
gcf of 37 and 81 is 1.
21 = 3 x 735 = 5 x 7The GCF of 21 and 37 is 7.
73 is a prime number. It's only factors are 1 and 73. The only common factor of 73 and 40 is 1.
The GCF is 37.