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1 Name the following
a) The greatest number that divides two or more numbers without
any remainder
b) A number that has more than 2 factors
6) The number you get by multiplying two or more factors other than
(d) A number that has 1 and itse as its only factors
(e) The only even prime number
2 Circle the numbers that are divisable by the first one
(a) 4 - 28, 314, 200
(b)
618,46,300
(c) 9-29, 234, 111
3. Find the prime factors of the following using prime factorisat
(a) 72
(b) 45
4. Find the HCF of the following:
(a) 24,60 (b) 45,81,36
5. List all the prime numbers up to 33.
6. Find the HCF using prime factorisation
(a) 36, 48 (b) 66.77
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