If the LCM of two co-prime numbers is 340 and difference between them is 3, then find the number of prime numbers that are smaller than the larger number among the given numbers.
Answer & explanation
Correct answer: option 3
LCM = 340
HCF = 1
xy = 340
Two numbers are = 20 and 17
The number of prime numbers = 2, 3, 4, 5, 7, 11, 13, 17, 19 = 8 numbers