Question

. Check whether the following pairs of numbers
are co-primes or not
(i) 72 and 1440
(ii) 680 and 960
​

Answer 1

Answer:

i) no

ii) no

Step-by-step explanation:

you can simply find the HCF of them and if they have a HCF they are not co primes. and here is a trick if there are 2 even nos. they are never co -prime. Hope it helps you