Question

*Which of the following is a pair of co-prime numbers?*

1️⃣ 63 and 105
2️⃣ 27 and 45
3️⃣ 91 and 55
4️⃣ 32 and 56​

Answer 1

Answer:

91 and 55 ia a pair of co- prime numbers as they have 1 as their HCF.