23 and 30 share no common factors aside from 1.
Chat with our AI personalities
To work this out, you first have to split the numbers down into their prime factors: 42 = 2x3x7 23 = 23 There are no common prime factors. This means that the only common factor of 42 and 23 is 1.
The common factors of 30 and 32 are: 1 and 2
The common factors are: 1, 5, 23, 115
The common factors of 27 and 30 are 1, 3, and 9.
The common factors of 30 and 60 are 1, 2, 3, 5, 6, 10, 15 and 30.