<img src="https://tex.z-dn.net/?f=a%29%20Para%20%5C%20que%20%5C%20sea%20%5C%20multiplo%5C%20de%20%5C%202%5C%20debe%20%5C%20terminar%5C%20en%20%5C%20numero%5C%20par%20%5C%5C%20%20%5C%5C%20entonces%20%5C%203257%2C%20cambiando%20%5C%20las%20%5C%20cifras%20%5C%20y%20%5C%20que%20%5C%20sea%20%5C%20multiplo%5C%20de%20%5C%202%20%20%5C%5C%20%20%5C%5C%20%5Cstar%203572%20%5Cquad%20%5Cstar5372%20%5Cquad%20%5Cstar%207352%5Cquad%20%5Cstar%207532%20" />
<img src="https://tex.z-dn.net/?f=b%29%20Para%20%5C%20que%20%5C%20sea%20%5C%20multiplo%5C%20de%20%5C%204%5C%20debe%20%5C%20terminar%5C%20las%20%5C%20dos%20%5C%20ultimas%20%5C%20%20%5C%5C%20cifras%5C%20multiplo%5C%20de%20%5C%204%20%5C%5C%20%5C%5C%20entonces%20%5C%203257%2C%20cambiando%20%5C%20las%20%5C%20cifras%20%5C%20y%20%5C%20que%20%5C%20sea%20%5C%20multiplo%5C%20de%20%5C%204%20%5C%5C%20%5C%5C%20%5Cstar%203572%20%5Cquad%20%5Cstar7532%20%5Cquad%20%5Cstar%205732%5Cquad%20%5Cstar%205372" />
<img src="https://tex.z-dn.net/?f=c%29%20Para%20%5C%20que%20%5C%20sea%20%5C%20multiplo%5C%20de%20%5C%205%5C%20debe%20%5C%20terminar%5C%20en%20%5C%20numero%5C%20cero%5C%20o%5C%20%205%20%5C%5C%20%5C%5C%20entonces%20%5C%203257%2C%20cambiando%20%5C%20las%20%5C%20cifras%20%5C%20y%20%5C%20que%20%5C%20sea%20%5C%20multiplo%5C%20de%20%5C%205%20%5C%5C%20%5C%5C%20%5Cstar%203275%5Cquad%20%5Cstar2375%20%5Cquad%20%5Cstar%207325%5Cquad%20%5Cstar%203725" />
<img src="https://tex.z-dn.net/?f=d%29%20Para%20%5C%20que%20%5C%20sea%20%5C%20multiplo%5C%20de%20%5C%203%5C%20la%20%5C%20suma%20%5C%20de%20%5C%20sus%5C%20cifras%20%5C%20dan%20%5C%203%20-%206%20-%209%20%5C%5C%20%5C%5C%20entonces%20%5C%203257%2C%20%5Cto%203%2B2%2B5%2B7%3D%2017%20%5Cto%20%5C%20No%5C%20es%5C%20multiplo%5C%20de%20%5C%203" />
Espero que te sirva, salu2!