H.C.F for Three
numbers by using Long Division Method:
Step-1: First, we need to find H.C.F of any two
numbers.
Step-2: Now, we need to find out the H.C.F of the
third number and the H.C.F obtained in step-1.
Step-3: H.C.F obtained in step-2 will be the H.C.F of the three numbers.
Find the H.C.F of
numbers by Long Division method:
1) 255, 136, 170.
Answer:
(i) H.C.F of two
numbers 136, 170 = 34.
(ii) Now, we need to find
out H.C.F of third number:255, and
the H.C.F obtained in Step-1 : 34.
i.e; Need to find H.C.F for 34 and 255.
(iii) H.C.F obtained in step-2 is the H.C.F of the
three numbers.
Therefore, H.C.F
of 255, 136, 170 = 17.
2) 144, 252, 630.
Answer:
(i) H.C.F of 144 and 252 = 36.
(ii) Now, we need to find
out H.C.F of third number:630, and
the H.C.F obtained in Step-1 :36 .
i.e; Need to find H.C.F for 36 and 630.
(iii) H.C.F obtained in step-2
is the H.C.F of the three numbers.
Therefore, H.C.F
of 144, 252, 630 = 18.
3) 639, 1065, 1491.
Answer:
(i) H.C.F of 1065
and 1491 = 213.
(ii) Now, we need to find out H.C.F of third number:639, and the H.C.F obtained in Step-1: 213 .
i.e; Need to find H.C.F for 213 and 639.
(iii) H.C.F obtained in step-2
is the H.C.F of the three numbers.
Therefore, H.C.F
of 639, 1065, 1491 = 213.
4) 144, 180, 192.
Answer:
(i) H.C.F of 180, 192 = 12.
(ii) Now, we need to find
out H.C.F of third number: 144, and
the H.C.F obtained in Step-1: 12.
i.e; Need to find H.C.F for 12 and 144.
(iii) H.C.F obtained in step-2 is the H.C.F of the three numbers.
Therefore, H.C.F of 144, 180, 192 = 12.
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