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To calculate the Highest Common Factor (HCF) of 28, 14, and 21, we first find the factors of each number:
- Factors of 28 are 1, 2, 4, 7, 14, and 28.
- Factors of 14 are 1, 2, 7, and 14.
- Factors of 21 are 1, 3, 7, and 21.
The common factors among all three numbers are 1 and 7. Therefore, the HCF of 28, 14, and 21 is 7.
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What is the hcf for 14 and 28?
7
What is the HCF of 28 and 210?
The GCF is 14.
What is the LCM and HCF of 28 and 42?
84 and 14, respectively.
What is the HCF of 21 77 84?
The Highest Common Factor (HCF) of 21, 77, and 84 is 7. To find the HCF, you need to identify the common factors of the numbers and determine the highest one they all share. In this case, the factors of 21 are 1, 3, 7, 21; the factors of 77 are 1, 7, 11, 77; and the factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84. The highest common factor among them is 7.
What is the HCF of 168 and 252?
The Highest Common Factor (HCF) of two numbers is the largest positive integer that divides both numbers without leaving a remainder. To find the HCF of 168 and 252, we first list the factors of each number: 168 (1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168) and 252 (1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252). The common factors are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84. Therefore, the HCF of 168 and 252 is 84.
What is the hcf for 14 and 28?
7
What is the HCF of 28 and 210?
The GCF is 14.
What is the lowest common multiple of 14 and 21?
The least common multiple of 14 and 21 is 42.14, 28, 42, 56 ...21, 42, 63, 84, ...
What is the hcf of 196 and168?
The GCF is 28.
What is the HCF of 196 and 700?
The GCF is 28.
How do you find LCM of 28 and 21?
First you express the numbers as the product of their prime factors: 28 = 2x2x7 21 = 3x7 Next you find the HCF. In this case, the HCF is 7. Finally, you multiply the numbers together and divide by the HCF. 28x21/7 = 84 Therefore the LCM of 28 and 21 is 84.
What is the LCM and HCF of 28 and 42?
84 and 14, respectively.
What is the hcf 28 and 70?
The Highest Common Factor is 14
What is the HCF of 21 77 84?
The Highest Common Factor (HCF) of 21, 77, and 84 is 7. To find the HCF, you need to identify the common factors of the numbers and determine the highest one they all share. In this case, the factors of 21 are 1, 3, 7, 21; the factors of 77 are 1, 7, 11, 77; and the factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84. The highest common factor among them is 7.
What is the HCF of 168 and 252?
The Highest Common Factor (HCF) of two numbers is the largest positive integer that divides both numbers without leaving a remainder. To find the HCF of 168 and 252, we first list the factors of each number: 168 (1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168) and 252 (1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252). The common factors are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84. Therefore, the HCF of 168 and 252 is 84.
What is the gcf of 14 and 28 and 21?
GCF(14, 28, 21) = 7
What is the HCF of 42 and 38?
The GCF is 2.
