The LCM of the smallest two digit composite number and the largest one digit prime number is (a) 8 (b) 84 (c) 48 (d) 108
Answers
Given : smallest two digit composite number and the largest one digit prime number
To Find : The LCM
Solution:
Composite numbers are the numbers which are divisible by at least 3 numbers
Prime numbers are the numbers which are divisible by exactly two numbers
one and number itself
smallest two digit composite number = 10
largest one digit prime number = 7
LCM - Least common multiplier of given numbers is the least number which is perfectly divisible by given numbers.
LCM = product of each factor of highest power
LCM of ( 7 , 10) = 70
None of the given options are correct
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