51 is composite. 51 = 3 x 17. The other three numbers are prime numbers.
Drivers door - Side plate
Just 51
1x51=51
The GCF is 1.
There are ten prime numbers between 51-100.
31 is prime, but 51 is not as 51=3*17.
1, 3, 17, 51.
1, 3, 17, 51
3 x 17 = 51
1 x 51 = 51 3 x 17 = 51
1, 3, 17 and 51