It is one.
The common factors of 42 and 77 are: 1 and 7
42 - 1, 2, 3, 6, 7, 14, 21, 42 7 - 1, 7 the common factors are 1 and 7
The common factors of 42 and 54 are: 1, 2, 3, and 6
The common factors of 42 and 273 are 1, 3, 7 and 21.
The factors of 14 are 1, 2, 7, and 14 The factors of 42 are 1, 2, 3, 7, 14, 21, and 42 The Common factors of 14 and 42 are 1, 2, 7, and 14
The common factors of 21 and 42 are the numbers that divide both 21 and 42 without leaving a remainder. The factors of 21 are 1, 3, 7, and 21, while the factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The common factors of 21 and 42 are 1, 3, 7, and 21.
The common factors are: 1, 7
Common factors of 42 and 28 are: 1, 2, 7, and 14.
The common factors of 21, 42, and 56 are: 1 and 7
The GCF of 42 and 77 is 7 The factors of 42: 2, 3, 7 The factors of 77: 7, 11
The prime factors of 28 are 2,2 and 7 The prime factors of 42 are 2,3 and 7 Thus the common factors are 1,2,7 and 14.
The factors of 21 are: 1, 3, 7, 21.The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42.The common factors are: 1, 3, 7, 21