Question

There are four prime numbers written in ascending order. The product of first three is 385 and the
product of last three is 1001. The last number is

Answer 1

let four prime number wriiten in ascending order be x,y,z and p
now according to question ,
product of first three number 
x*y*z=385
y*z=385/x
product of last three number
p*y*z=1001
p*385/x=1001
p/x=1001/385
p/x= 13/5
x=5