Advertisements
Advertisements
Question
What is the HCF of the smallest prime number and the smallest composite number?
Advertisements
Solution
The smallest prime number is 2 and the smallest composite number is 4.
Prime factorisation of 2 is 1×2
Prime factorisation of 4 is 1×22
Therefore, HCF of 2, 4 is 2.
APPEARS IN
RELATED QUESTIONS
Find HCF and LCM of 404 and 96 and verify that HCF × LCM = Product of the two given numbers.
The HCF of two numbers is 145 and their LCM is 2175. If one number is 725, find the other.
For what value of natural number n, 4n can end with the digit 6?
If 13824 = 2a × 3b then find a and b
There is a circular path around a sports field. Priya takes 18 minutes to drive one round of the field. Harish takes 12 minutes. Suppose they both start at the same point and at the same time and go in the same direction. After how many minutes will they meet?
The ratio of LCM and HCF of the least composite and the least prime numbers is ______.
The largest number which divides 70 and 125, leaving remainders 5 and 8, respectively, is ______.
Assertion (A): The HCF of two numbers is 5 and their product is 150. Then their LCM is 40.
Reason(R): For any two positive integers a and b, HCF (a, b) × LCM (a, b) = a × b.
The mean of first ten natural numbers is ______.
Three bells toll at intervals of 9, 12 and 15 minutes respectively. If they start tolling together, after what time will they next toll together?
