Find the hcf of 135 and 225using euclids divison algorithm
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Euclid's division lemma :
Let a and b be any two positive Integers .
Then there exist two unique whole numbers q and r such that
a = bq + r ,
0 ≤ r <b
Now ,
Clearly, 225 > 135
Start with a larger integer , that is 225.
Applying the Euclid's division lemma to 225 and 135, we get
225 = 135 x 1 + 90
Since the remainder 90 ≠ 0, we apply the Euclid's division lemma to divisor 135 and remainder 90 to get
135 = 90 x 1 + 45
We consider the new divisor 90 and remainder 45 and apply the division lemma to get
90 = 45 x 2 + 0
Now, the remainder at this stage is 0.
So, the divisor at this stage, ie, 45 is the HCF of 225 and 135.
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