Question 5 (a)
Which of the following numbers are co-prime: 18 and 35
Which of the following numbers are co-prime?
(a) 18 and 35 (b) 15 and 37 (c) 30 and 415
(d) 17 and 68 (e) 216 and 215 (f) 81 and 16
Which of the following pairs of numbers are co-primes?52, 143