Playing With Numbers
Is there any natural number having no factor at all?
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Find the smallest 4-digit number which is divisible by 18, 24 and 32
Which factors are not included in the prime factorisation of a composite number?
Three boys step off together from the same spot. Their steps measure 63 cm, 70 cm and 77 cm respectively. What is the minimum distance each should cover so that all can cover the distance in complete steps?
Write First Five Multiples of:(a) 5 (b) 8 (c) 9
Find first three common multiples of 6 and 8.
Without performing actual division, find the remainder when 28735429 is divided by 11.
Without performing actual computations. Find the quotient when 92-29 is divided by
9 (ii) 7.
is a multiple of 11, where x is a digit, what is the value of x?