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- HCF of co prime numbers 4 and 15 was found as follows by factorisation 4 is equal to 2 multiply 2 and 15 is equal to 3 multiply 5 since there is no common prime factor so HCF of 4 and 15 is 0 Is the answer correct If not what is the correct HCF
3. HCF of co-prime numbers 4 and 15 was found as follows by factorisation : 4 = 2 × 2 and 15 = 3 × 5 since there is no common prime factor, so HCF of 4 and 15 is 0. Is the answer correct? If not, what is the correct HCF?
Answers (1)
P
Pankaj Sanodiya
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No, the answer is not correct. 1 is the correct HCF.
As
4 = 2
2 
1
15 = 3
5 
1
1 is common in both so HCF is 1.