1 and 7
112-21 = 91
gcf of 91 and 21 = 7
91 x 21 = 1911
4.3333
The LCM of 21 and 91 is 273.
The LCM is 273.
The HCF of 21, 84 and 91 is.... 1 ! The number 91 is a prime number.
1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549.
For 117, 91, 65, 21 the LCM is: 4,095
7 is the highest common factor of 21, 77 and 91.
21/91 = 3/13
To find out how many times 13 goes into 91, you would perform division. 91 divided by 13 equals 7, with no remainder. Therefore, 13 goes into 91 exactly 7 times.