Question

Which of the following is a corret option for co-prime numbers ?

1️⃣ 15,20
2️⃣ 21,27
3️⃣ 5,10
4️⃣ 5,6​

Answer 1

Answer:

25 and 20

Hope this may help you

Answer 2

Which of the following is a correct option for co-prime numbers?

1️⃣ 15,20

2️⃣ 21,27

3️⃣ 5,10

4️⃣ 5,6

Solution:

Option 4 is the required answer.

0ption 4 => 5, 6 are co-prime numbers.

Co - Prime -

Two numbers are said to be co-prime when they have common factor 1. Two numbers are coprime when the only positive integer which divides both of them is 1.

Factors of 5:- 1, 5

Factors of 6:- 1, 2, 3, 6

Among the given options, only the option 4 => 5 and 6 are coprime numbers as They don't have common factors.

The only common factor is 1.