Question

a*b*c*d*e + b*c*d*e*f + a*c*d*e*f + a*b*d*e*f + a*b*c*e*f + a*b*c*d*f = a*b*c*d*e*f and a,b,c,d,e and f are all positive nonrepeating integers then solve a,b,c,d,e, and f.

Answer 1

what is a repeating integer?