121
The GCF is 77.
The GCF is 11.
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Factors of 385: 1, 5, 7, 11, 35, 55, 77, 385.Factors of 847: 1, 7, 11, 77, 121, 847.GCF (385, 847) = 77
The greatest common factor of 66 and 847 is 11.
First find the prime factors of each: 847= 7 x 11 x 11 91= 7 x 13
847 121,7 11,11,7
1, 7, 11, 77, 121, 847 are the factors of 847.. or 847 = 11*77 ..inorder to make it a perfect square ..u need to multiply 7,11 to the existing number as 11 ,7 are prime numbers. so the least number will be 11*77*11*7
The common factor of 847 and 1311 is 1.
1 is a factor of 7.
Apart from 1, the only positive square factor of 40 is 4.
sqrt(847) = 11*sqrt(7).