Question

use H.C.F to show that 357 and 1625 are co-primes

Answer 1

HCF (357,1625) = 1

357 = 3*7*17

1625 = 5*5*5*13

GIVEN NUMBERS ARE SAID TO BE CO-PRIME IF THE ONLY POSITIVE INTEGER DIVIDING THEM IS 1

AS WE CAN SEE THE ONLY COMMON DIVISOR OF 357 AND 1625 IS 1, THUS THEY ARE CO - PRIMES.