Answer:
17 pqr
Step-by-step explanation:
We can factor out 17 pqr from each term
17pqr *1
51pqr^3 = 17*3 *p q r *r^2
17pqr
17pqr = 17 × p × q × r
51pqr² = 3 × 17 × p × q × r × r × r
GCF = 17 × p × q × r = 17pqr
