







HCF and LCM 
20150905 

From Ally: the HCF of the two numbers is 3, and the LCM is 15.
what could the two numbers be? Answered by Penny Nom. 





HCF and LCM 
20130515 

From Kelly: If HCF and LCM of two numbers is 7 and 20 respectively, then the number/s is/are…. Answered by Penny Nom. 





HCF 
20090803 

From Nazrul: If (x+ a) be the H,C.F. of x^2+px+q and x^2+mx+n, prove that (pm)a=qn Answered by Stephen La Rocque. 





Express the HCF of 1232 and 573 as 1232x + 573y = 1 
20090222 

From Anonymous: Express the HCF of 1232and 573 as 1232x + 573y = 1. Answered by Victoria West. 





The product of two integers their LCM and their HCF 
20090215 

From Anonymous: Two numbers have LCM = 60. If their product is 180, what is their HCF? Answered by Harley Weston. 





Find two numbers with HCF of 3 and LCM of 180 
20080207 

From matthew: Hi, please help me with this, Find two numbers with HCF of 3 and LCM of 180 Answered by Stephen La Rocque and Penny Nom. 





LCM and HCF 
20061028 

From Henry: Is there a unique solution to the question: If the LCM and HCF of two numbers are 180 and 15 respectively, what are the two numbers? I got 45 and 60. I got a feeling there are others. Answered by Stephen La Rocque. 





HCF and LCM 
20060805 

From Bharath: The HCF and LCM of polynomials p(x) and q(x) are h and l respectively and p(x) + q(x) = h + l, show that
[p(x)]^{2} + [q(x)]^{2} = h^{2} + l^{2} Answered by Stephen La Rocque. 





The HCF and LCM of polynomials 
20030520 

From Charanpal:
Question: Find the HCF and LCM of the polynomials given below. Verify that he productof these HCF and LCM differs from the product of the polynomials, if at all, by a factor of 1  1x^{2} and x^{3} 1
 1  x^{2} and x^{4}  1
Answered by Penny Nom. 

