what is the last digit of the number you get by multiplying the first 2002 odd prime number
Dear Student,
the product of any two odd numbers is always odd, hence the product of the first odd prime number, namely 3 times the product of the 2000 prime numbers subsequent to 5 must be odd. Therefore the product of that number and 5 is the product of the first 2002 odd primes, and it must end in 5.