the greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively , is :
"explanation : required number = h . c . f . of ( 1657 - 6 ) and ( 2037 - 5 ) = h . c . f . of 1651 and 2032 = 127 . answer : b"
gcd(subtract(2037, 5), subtract(1657, 6))