Question

find HCF of 42,63,105 do. fast okk hahaha​

Answer 1

Step-by-step explanation:

Factors of 42 are {1,2,3,6,7,14,21,42}

Factors of 63 are {1,3,7,9,21,63}

Factors of 105 are {1,3,5,7,15,21,35,105}

Common factors are just {1,3,7,21} and

Greatest Common Factor is 21.