Question

Example
solution:
Exercise 3.3
(d) 18, 32, 40
1. Pad the NCF of the following by prime motorisation method
(h) 104, 128, 170
(0) 82, 208, 1879 (A) 63, 607, 720 (1) 42, 204, 264
(m) 178, 250, 300 in) 112, 910, 989 (0) 360, 706, 260.
(e) 140
() 2% 18
(1) 24, 64, 60
(e) 19, 30
W 97, 99, 144
38. 106, 966
HCF by Short Division Method:
Example
Solution
2
9
Find the NCF of 144, 199 and 218.
1
192, 210
108
Working Rule
3
36,
18.
6.
27
all three numbers,
1. Faetorise the numbere uelno
the amallest factor common lo
2. Proceed in this manner till no
common prime factor can be
found for the remaining
3. Product of the common prime
8,
9
HCF = 2 * 2 * 2 X 3 = 24.
HCF by Long Division Method :
numbers
factors is the HCF.​

Answer 1

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