(A) \(14\)
(B) \(7 \)
(C) \(5\)
(D) \(9\)
(A) \(1,4,5,9\)
(B) \(1,3,7,15\)
(C) \(1,3,5,15\)
(D) \(1,3,6,7\)
(A) \(1,\,2,\,4,\,8,\,16,\,32,\,64\)
(B) \(1,\,3,\,5,\,7,\,14,\,32,\,64\)
(C) \(1,\,3,\,6,\,9,\,16,\,32,\,64\)
(D) \(1,\,2,\,4,\,8,\,14,\,36,\,64\)
Determine whether each of the following numbers is prime factor of \(12\).
(A) \(2,\,3\)
(B) \(4,\, 6\)
(C) \(5,\,7\)
(D) \(8,\, 11\)
Express of number \(20\) in the form of prime factorisation using the method of repeated division.
(A) \(2 \times 2 \times 3\)
(B) \(2 \times 2 \times 5\)
(C) \(2 \times 3 \times 5\)
(D) \(3 \times 3 \times 5 \)
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