1, 2, 19, and 38.
Four: 1 3 19 57.
Only 1 and 19 because 19 is a prime number.
There are 20 odd numbers between 19 and 57
19 numbers.
1, 2, 19, and 38.
1 and 19.
Four: 1 3 19 57.
Four: 1 3 19 57.
1 and 19
Any of its factors which are: 1, 7, 19 and 133
There are 10 whole numbers in 10 to 19.
Only 1 and 19 because 19 is a prime number.
The numbers are different primes, so the answer is 1.
19
1.
3 and 19