HCF of 13 & 7 = ?

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10+4=14
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HCF(7,13)=1
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Since 13 and 7 both are prime numbers they don't have common factors except 1.so highest common factor(HCF) of any two prime numbers is 1
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highest common factor of 13 , 7 is 1
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HCF(7,13)=1
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