1
Which factors are not included in the prime factorisation of a composite
* White the greatest diguter and espressit in terms of its prime factor
wer and express it in the form of its prime facto
all the prime factors of 1720 and arrange them in ascending order Now
relation, if any, encen no consecutive prime factors
7. The prestone contive numbers is always divisible by 6. Verity this reco
with the help of some examples
ind 36
& The sumorno consecutive odd numbers is divisible by 4. Verify this stateme
the help of some examples
9. In which the following expressions, prime factorisation has been done X
(a) 24234 (b) 56 7x2x2x2
(70257 (d) 54 23x9
10. Derermine if 25110 is divisible by 45.
(Hint: 5 and 9 are co-prime numbers. Test the divisibility of the number by
11. 18 is divisible by both 2 and 3. It is also divisible by 2x3 = 6. Similarly, am
is divisible by both 4 and 6. Can we say that the number must also be divis(8)
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