268
The factors of 18 are: 1, 2, 3, 6, 9, and 18.The prime factors of 18 are: 2 and 3.The factors of 21 are: 1, 3, 7, and 21.The prime factors of 21 are: 3 and 7.
167
23
18 and 3 are factors of 162.
The positive integer factors of 18 are: 1 2 3 6 9 18 The positive integer factors of 7 are: 1 7 Since 7 is a prime number, the only positive integer common factors of the two numbers is the number 1.
-261
18
The factors of 7 are:1, 7The factors of 18 are:1, 2, 3, 6, 9, 18The common factor is:1
-10 & -18
The factors of 21 that add up to 8 are 1 and 7.
The factors of 14 are: 1, 2, 7, 14 The factors of 18 are: 1, 2, 3, 6, 9, 18