The Highest Common Factor (HCF) of 35, 84, and 91 is 7. To find the HCF, you can first find the prime factors of each number: 35 = 5 x 7, 84 = 2^2 x 3 x 7, and 91 = 7 x 13. Then, identify the common prime factors among the numbers, which in this case is 7. Finally, multiply the common prime factors to get the HCF, which is 7.
Chat with our AI personalities
The HCF of 21, 84 and 91 is.... 1 ! The number 91 is a prime number.
It is: 1
It is: 7
To find the Highest Common Factor (HCF) of 35, 77, and 91, you need to factorize each number. The factors of 35 are 1, 5, 7, 35. The factors of 77 are 1, 7, 11, 77. The factors of 91 are 1, 7, 13, 91. The common factor among these three numbers is 7, so the HCF of 35, 77, and 91 is 7.
The GCF is 7.