1 and 19.
two: 1 and 19
Only 1 and 19 because 19 is a prime number.
The numbers are different primes, so the answer is 1.
1.
3 and 19
Only 1 and 19 because 19 is a prime number.
The only numbers that go into 19 are 1 and 19, 19 is the only prime number that goes into 19.
55,1, and 5.
1, 5, 19 and 95.
1, 19, 1307, 24833.
1, 2, 19, 38