CCommunity
On dividing 3050 and 5200 leaves remainders 7 and 9 respectively,
⇒ Number exactly divides 3050 – 7 = 3043 and 5200 – 9 = 5191
So the number which divides 3043 and 5191 exactly,
Factors of 3043 = 1 × 17 × 179
Factors of 5191 = 1 × 29 × 179
∴ 179 is the greatest number.