Highest Common Factor of 42, 505, 834, 775 using Euclid's algorithm

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


HCF Calculator using the Euclid Division Algorithm helps you to find the Highest common factor (HCF) easily for 42, 505, 834, 775 i.e. 1 the largest integer that leaves a remainder zero for all numbers.

HCF of 42, 505, 834, 775 is 1 the largest number which exactly divides all the numbers i.e. where the remainder is zero. Let us get into the working of this example.

Consider we have numbers 42, 505, 834, 775 and we need to find the HCF of these numbers. To do so, we need to choose the largest integer first and then as per Euclid's Division Lemma a = bq + r where 0 ≤ r ≤ b

Highest common factor (HCF) of 42, 505, 834, 775 is 1.

HCF(42, 505, 834, 775) = 1

HCF of 42, 505, 834, 775 using Euclid's algorithm

Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.

HCF of:

Highest common factor (HCF) of 42, 505, 834, 775 is 1.

Highest Common Factor of 42,505,834,775 using Euclid's algorithm

Highest Common Factor of 42,505,834,775 is 1

Step 1: Since 505 > 42, we apply the division lemma to 505 and 42, to get

505 = 42 x 12 + 1

Step 2: Since the reminder 42 ≠ 0, we apply division lemma to 1 and 42, to get

42 = 1 x 42 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 42 and 505 is 1

Notice that 1 = HCF(42,1) = HCF(505,42) .


We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma

Step 1: Since 834 > 1, we apply the division lemma to 834 and 1, to get

834 = 1 x 834 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 834 is 1

Notice that 1 = HCF(834,1) .


We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma

Step 1: Since 775 > 1, we apply the division lemma to 775 and 1, to get

775 = 1 x 775 + 0

The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 1 and 775 is 1

Notice that 1 = HCF(775,1) .

HCF using Euclid's Algorithm Calculation Examples

Frequently Asked Questions on HCF of 42, 505, 834, 775 using Euclid's Algorithm

1. What is the Euclid division algorithm?

Answer: Euclid's Division Algorithm is a technique to compute the Highest Common Factor (HCF) of given positive integers.

2. what is the HCF of 42, 505, 834, 775?

Answer: HCF of 42, 505, 834, 775 is 1 the largest number that divides all the numbers leaving a remainder zero.

3. How to find HCF of 42, 505, 834, 775 using Euclid's Algorithm?

Answer: For arbitrary numbers 42, 505, 834, 775 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.