Highest Common Factor of 637, 399 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 637, 399 i.e. 7 the largest integer that leaves a remainder zero for all numbers.
HCF of 637, 399 is 7 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 637, 399 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 637, 399 is 7.
HCF(637, 399) = 7
HCF of 637, 399 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 637, 399 is 7.
Highest Common Factor of 637,399 is 7
Step 1: Since 637 > 399, we apply the division lemma to 637 and 399, to get
637 = 399 x 1 + 238
Step 2: Since the reminder 399 ≠ 0, we apply division lemma to 238 and 399, to get
399 = 238 x 1 + 161
Step 3: We consider the new divisor 238 and the new remainder 161, and apply the division lemma to get
238 = 161 x 1 + 77
We consider the new divisor 161 and the new remainder 77,and apply the division lemma to get
161 = 77 x 2 + 7
We consider the new divisor 77 and the new remainder 7,and apply the division lemma to get
77 = 7 x 11 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 7, the HCF of 637 and 399 is 7
Notice that 7 = HCF(77,7) = HCF(161,77) = HCF(238,161) = HCF(399,238) = HCF(637,399) .
HCF using Euclid's Algorithm Calculation Examples
Here are some samples of HCF using Euclid's Algorithm calculations.
Frequently Asked Questions on HCF of 637, 399 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 637, 399?
Answer: HCF of 637, 399 is 7 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 637, 399 using Euclid's Algorithm?
Answer: For arbitrary numbers 637, 399 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.