The factors of 21 are 1, 3, 7 and 21.
The factors of 18 are 1, 2, 3, 6, and 18.
The factors of them are:
12: 1, 2, 3, 4, 6, 12
18: 1, 2, 3, 6, 9, 18
21: 1, 3, 7, 21
1, 2, 4, 5, 10, 20
1, 3, 7, 21
1, 17
1, 3, 7, 21
They are: 1, 3, 7 and 21
1, 2, 3, 6, 9, 18.
1 and 3.
The least common multiple of 36 , 21 , 18 = 252
The least common multiple of the numbers 7, 21 and 18 is 126.
The least common multiple of the numbers 18, 21 and 36 is 252.
The least common multiple of the numbers 7, 18 and 21 is 126.
The LCM is: 180.
The highest common factor of 21 and 18 is 3
21 goes into 165 7 times with 18 remaining 165 - 18 = 147 = 21 x 7
21/7 = 3 21/3 = 7 36/2 = 18 36/4 = 9 36/6 = 6 36/12 = 3 36/18 = 2 and, of course, both 21 and 36 can be divided by 1 and themselves
-21
-18
college starts at 16 ends at 18 then university goes from 18, to usually 21-22, depending on the course you choose
18, yes.21, no.
21 can be divided by 7 but 18 cant
18/21
18/21 = 6/7
18
18 is what percent of 21= 18 / 21= 0.857143Converting decimal to a percentage:0.857143 * 100 = 85.71%