Calculate the answer when the largest prime number that is a factor of 35 is multiplied by the smallest prime number that is a factor of 15

21

Step-by-step explanation:

Factors of 35 = 1,5,7 and 35

Factors of 15 = 1,3,5 and 15

=> Largest prime number that is a factor of 35 = 7 (7 is a prime number)

=> Smallest prime number that is a factor of 15 = 3 (1 is neither a prime no. nor a composite one)

Their Product:

=> 7*3

=> 21