19 is a Prime number, which means it can only be divided evenly by 1 and itself. Therefore, the only numbers that go into 19 evenly are 1 and 19. Since 19 cannot be divided by any other numbers without a remainder, it is considered a prime number.
1 and 19.
One.
19 and 2
Fifty-seven divided by three is 19, therefore three goes in evenly. If it goes in evenly, it is divisible.
1, 7, 19, 133.
1, 2, 19, 38.
1, 5, 19, and 95.
1, 7, 19, 133.
Each of these numbers goes evenly into 133: 1, 7, 19, 133.
1, 2, 4, 19, 38 and 76.
None, they're both prime numbers.
In this case, 1 is the only common multiple of 19 and 100 because 19 is odd and 100 is even.