Verify whether `223` is a prime number or not.

Verify wheter 223 is a prime number or not .

Verify whether 82672 is divisible by 8?

Write a polyndrome number of 6 digits and verify whether. It is divisible by 11 or not.

Verify whether 1234321 is divisible by 11 or not.

Verify whether the indicated number is zero of the polynomial corresponding to it : p(x)=3x+8,x=-8/3 .

Verify whether the indicated number is zero of the polynomial corresponding to it : p(x)=x^2-9,x=3,-3 .

Verify whether the indicated number is zero of the polynomial corresponding to it : p(x)=ax-b,x=b/a .

Verify whether the indicated number is zero of the polynomial corresponding to it : p(x)=7x-1,x=1/7 .

Verify whether the indicated numbers are zeros of the polynomials corresponding to them in that cases: f(x)=x^(2),x=0

Verify whether the indicated numbers are zeros of the polynomials corresponding to them in that cases: f(x)=lx+m,x=-(m)/(l)