Question

the lcm and hcf of two numbers are 504 and 18. find the other number if one number is 126

Answer 1

we know
hcf × lcm = n1 × n2
504 × 18 = 126 × n2
n2= 504× 18 /126
= 72

Answer 2

HCF X LCM = product of two numbers
18*504=126*x
x=504*18/126
x=72.
the other number is 72 ..