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Class 6
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Maths
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Playing With Numbers
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Properties of Factors and Multiples
Properties of Factors and Multiples
Revise with Concepts
Properties of Factors
Example
Definitions
Formulaes
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Properties of Multiples
Example
Definitions
Formulaes
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Quick Summary With Stories
Properties of Factors
3 mins
Properties of Multiples
2 mins
Important Questions
Check whether
$6_{n}$
can end with the digit
$0$
for any natural number
$n$
.
Medium
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>
Find the greatest number that will divide
$43,91$
and
$183$
so as to leave the same remainder in each case.
Medium
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>
Find the LCM and HCF of the following integers by applying the prime factorisation method.
(i)
$12,15$
and
$21$
(ii)
$17,23$
and
$29$
(iii)
$8,9$
and
$25$
Medium
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>
Express each number as a product of its prime factors:
(i)
$140$
(ii)
$156$
(iii)
$3825$
(iv)
$5005$
(v)
$7429$
Medium
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>
Find the first four common multiples of the following :
$3$
and
$4$
.
Medium
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>
Fill in the blanks :
............... is factor of every number.
Easy
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>
Fill in the blanks :
Every number is a multiple of .............
Easy
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>
A number
$n$
is said to be 'perfect' if the sum of all its divisors (excluding
$n$
itself) is equal to
$n$
. An example of a perfect number is
Easy
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>
Find the number of odd and even divisors of
$600$
Easy
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>
A group of
$616$
students is to march behind an army band of
$32$
members in a parade. The two groups must march in the same number of columns. What can be the maximum number of columns in which they march?
Medium
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>