1 and 7
112-21 = 91
91 x 21 = 1911
gcf of 91 and 21 = 7
4.3333
The LCM is 273.
The LCM of 21 and 91 is 273.
The HCF of 21, 84 and 91 is.... 1 ! The number 91 is a prime number.
For 117, 91, 65, 21 the LCM is: 4,095
21/91 = 3/13
7 is the highest common factor of 21, 77 and 91.
1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549.
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.