Jan 25, 2025

S1 Math: Find p, q, ...

Question 1

p and q are both prime numbers. 
Find the values of p and q such that  is an integer.


Question 2

One third of the product of 68 and 108 is the same as 2p x 3q x 17r

Find p, q, and r.


Question 3
Find smallest positive integer  for   be a perfect cube


Solution:

S1 Math: Smallest positive number

 

Written as a product of its prime factors, 540 = 22 x 33 x 5

(i)                  Find the smallest positive integer k such that 540k is a perfect cube.

(ii)           Give an example of a positive integer value of h such that is a perfect cube

S1 Math: Smallest positive number

 

Written as a product of its prime factors, 600 = 22 x 3 x 52

Find the smallest positive integer k such that  is a perfect square

S1 Math: Smallest positive number

 Find the smallest possible whole number k if 3575k is a multiple of 260.

S1 Math: Products of prime factors

 

The numbers of 700 and 1050, written as the products of their prime factors, are

                700 = 22 x 52 x 7,

                1050 = 2 x 3 x 52 x 7

Find

(i)                  The smallest positive integer h for which 700h is a multiple of 1050

(ii)                The smallest positive integer k for which  is a factor of 700