Highest Common Factor of 688, 624, 215 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 688, 624, 215 i.e. 1 the largest integer that leaves a remainder zero for all numbers.
HCF of 688, 624, 215 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 688, 624, 215 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 688, 624, 215 is 1.
HCF(688, 624, 215) = 1
HCF of 688, 624, 215 using Euclid's algorithm
Highest common factor or Highest common divisor (hcd) can be calculated by Euclid's algotithm.
Highest common factor (HCF) of 688, 624, 215 is 1.
Highest Common Factor of 688,624,215 is 1
Step 1: Since 688 > 624, we apply the division lemma to 688 and 624, to get
688 = 624 x 1 + 64
Step 2: Since the reminder 624 ≠ 0, we apply division lemma to 64 and 624, to get
624 = 64 x 9 + 48
Step 3: We consider the new divisor 64 and the new remainder 48, and apply the division lemma to get
64 = 48 x 1 + 16
We consider the new divisor 48 and the new remainder 16, and apply the division lemma to get
48 = 16 x 3 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 16, the HCF of 688 and 624 is 16
Notice that 16 = HCF(48,16) = HCF(64,48) = HCF(624,64) = HCF(688,624) .
We can take hcf of as 1st numbers and next number as another number to apply in Euclidean lemma
Step 1: Since 215 > 16, we apply the division lemma to 215 and 16, to get
215 = 16 x 13 + 7
Step 2: Since the reminder 16 ≠ 0, we apply division lemma to 7 and 16, to get
16 = 7 x 2 + 2
Step 3: We consider the new divisor 7 and the new remainder 2, and apply the division lemma to get
7 = 2 x 3 + 1
We consider the new divisor 2 and the new remainder 1, and apply the division lemma to get
2 = 1 x 2 + 0
The remainder has now become zero, so our procedure stops. Since the divisor at this stage is 1, the HCF of 16 and 215 is 1
Notice that 1 = HCF(2,1) = HCF(7,2) = HCF(16,7) = HCF(215,16) .
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Frequently Asked Questions on HCF of 688, 624, 215 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 688, 624, 215?
Answer: HCF of 688, 624, 215 is 1 the largest number that divides all the numbers leaving a remainder zero.
3. How to find HCF of 688, 624, 215 using Euclid's Algorithm?
Answer: For arbitrary numbers 688, 624, 215 apply Euclid’s Division Lemma in succession until you obtain a remainder zero. HCF is the remainder in the last but one step.