The factors of 18 are:
1, 2, 3, 6, 9, 18
The factors of 31 are:
1, 31
The factors of 40 are:
1, 2, 4, 5, 8, 10, 20, 40
The common factors of 18 and 40 are: 1, 2.
The only common factor of 18 and 31 is 1.
1, 2, 3, 6, 9, 18 1, 31
The factors of 18 are: 1, 2, 3, 6, 9, 18The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40
The factors of 31 are: 1, 31 The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54
The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 31 are: 1, 31 The factors of 41 are: 1, 41
31 and 37
The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 26 are: 1, 2, 13, 26 The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40 The factors of 81 are: 1, 3, 9, 27, 81
The factors of 18 are:1, 2, 3, 6, 9, 18The factors of 40 are:1, 2, 4, 5, 8, 10, 20, 40
The greatest (and actually the only) common factor of 18 and 31 is 1The factors of 18 are: 1, 2, 3, 6, 9, 18The factors of 31 are: 1, 31The GCF is 1.
The prime factors of 30 are 2, 3 and 5. The prime factors of 40 are 2 and 5. The prime numbers between 30 and 40 are 31 and 37.
The factors of 31 are 1 and 31 The factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, and 120