Question

prime factorisation method.
Worksheet 5
1.
Find the HCF of the following numbers by factor method.
(c) 70, 14, 35
(a) 7, 18
(b) 12, 30, 54
2.
(c) 38, 64, 82
(a) 76, 28
(b) 24, 16, 36
3.
Find the HCF of the following numbers by continued division method.
(a) 345, 506
(b) 144, 384, 120
(d) 208, 494, 949
How
(c) 287, 533
لر
е
1212, 6868, 1111
(f)
1794, 2346, 4761
(g) 70, 105, 175
(h) 270, 450, 315
4.
What is the HCF of-
(a) two consecutive natural numbers.
(b) two consecutive even numbers​

Answer 1

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