The GCF is 77.
The GCF is 11.
121
The greatest common factor of 66 and 847 is 11.
The common factor of 847 and 1311 is 1.
First find the prime factors of each: 847= 7 x 11 x 11 91= 7 x 13
847 121,7 11,11,7
Least Common Multiple (LCM) for 539 847 is 5,929
The LCM is 847.
The Least Common Multiple (LCM) of 121 and 77 is 847.
5929
7x2 - 847 [First factor out a 7] 7(x2 - 121) [Now factor it totally] 7(x + 11)(x - 11) x = 11 and -11