1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
1, 7, 13, 91
The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 The factors of 91 are: 1, 7, 13, 91
The factors of 49 are 1, 7, and 49 The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84 The factors of 91 are 1, 7, 13, and 91
The factors of 49 are: 1, 7, 49 The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 The factors of 91 are: 1, 7, 13, 91
The GCF of 28, 84, and 91 is 7.
Apart from 1, the only positive integer common factor of 49, 84, and 91 is 7.
The factors of 35 are 1, 5, 7, and 35. For 84, the factors are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84. The factors of 91 are 1, 7, 13, and 91. Each set of factors includes the number itself and 1, along with other divisors.
It is: 7
The GCF is 7.
To find the highest common factor (HCF) of 28, 84, and 91, you first need to find the prime factors of each number. The prime factors of 28 are 2 x 2 x 7, the prime factors of 84 are 2 x 2 x 3 x 7, and the prime factors of 91 are 7 x 13. To find the HCF, you need to identify the common prime factors among the numbers, which are 7. Therefore, the HCF of 28, 84, and 91 is 7.
The GCF is 7.
91
91 + 84 = 175