Four prime numbers are written in ascending order. The product of first three numbers is 385 and last three numbers is 1001. Find the first number?
Answer & explanation
Correct answer: option 4
Three factors of → I, II, III II, III, IV
385 1001
↓ ↓
↓ ↓ ↓ ↓ ↓ ↓
5 7 11 7 11 13
Ans.