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Byju's Answer
Standard X
Mathematics
Method of Finding HCF
Find the HCF ...
Question
Find the HCF using Euclids Algorithm. 136,170,255.
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Solution
Consider the problem
Euclid division
a
=
b
q
+
r
0
≤
r
<
b
First we find the HCF of
255
and
170
255
=
170
(
1
)
+
85
170
=
85
(
2
)
+
0
So, HCF of
255
and
170
is
85
Now, find the HCF of
136
and
85
136
=
85
(
1
)
+
51
85
=
51
(
1
)
+
34
51
=
34
(
1
)
+
17
34
=
17
(
2
)
+
0
HCF of
136
and
85
is
17
Therefore,
H
C
F
(
136
,
170
,
255
)
=
17
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