7 and 13
Common factors between the two numbers are 1, 7, 13, and 91.
The common factors of 35 and 91 are 1 and 7.
The highest four digit number with 13 and 7 as common factors is 9919, which is equal to 13 x 763 and 7 x 1417.
The factors of 91 are:1, 7, 13, 91The factors of 156 are:1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156The common factors are:1, 13
The prime factors of 91 are 7 and 13. 13 is a prime number so only has 1 and itself as factors. Therefore the only common factors for 13 and 91 are 1 and 13.
Just 1.
Just 1.
7 and 13 share no common factors aside from 1.
7 x 13 = 91. Therefore, 91 is a common multiple of 7 and 13, because both 7 and 13 are factors of the multiple, 91.There are infinitely many common multiples of 7 and 13: specifically, these consist of multiples of 91.
The GCF is 1.
The common factors of 13 and 39 are: 1 and 13