Respuesta :
The factors of 14 are:
1, 2, 7, 14
The factors of 21 are:
1, 3, 7, 21
The common factors are:
1, 7
The Greatest/highest Common Factor:
HCF = 7
1, 2, 7, 14
The factors of 21 are:
1, 3, 7, 21
The common factors are:
1, 7
The Greatest/highest Common Factor:
HCF = 7