## Is 16 a co Coprime number?

Solution. Common factors of 15 and 16 are only 1. So, **15 and 16 are co-prime numbers**.

## Is 45 a Coprime?

Answer: Solution 5: The HCF of two co-prime numbers is always 1. Hence, **45 and 56 are co-prime numbers**.

## Is 15 and 45 a Coprime?

Answer: Solution 5: The HCF of two co-prime numbers is always 1. Hence, **45 and 56 are co-prime numbers**.

## What is the Coprime of 16?

factors of 16: **1,2,4,8,16**. yes, they are co-prime numbers because only one factor is common that is 1.

## Are 15 16 Coprimes?

From above it is clear that **15 and 16 are co-prime** because common factor is 1. Hence pairs 15 and 16, 16 and 21, 15 and 28 are co-primes.

## Which are co-prime numbers?

**Any two successive numbers/ integers** are always co-prime: Take any consecutive numbers such as 2, 3, or 3, 4 or 5, 6, and so on; they have 1 as their HCF. The sum of any two co-prime numbers are always co-prime with their product: 2 and 3 are co-prime and have 5 as their sum (2+3) and 6 as the product (2×3).

## What is a factor of 45?

Factors of 45 in Pair

Therefore, the pair factors are **(1, 45), (3, 15) and (5, 9)**.

## What are the co-prime numbers between 1 to 50?

Therefore, the prime numbers between 1 to 50 are **1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, and 47**.

## What numbers are relatively prime to 16?

The Prime Factors of 16 are **1, 2, 4, 8, 16** and its Factors in Pairs are (1, 16), (2, 8), and (4, 4). What are Factors of 16?

## Is 9 and 16 are Coprime?

As visible, there are no common prime factors between 9 and 16, i.e. **they are coprime**. Hence, the GCF of 9 and 16 will be 1.

## What are the co-prime numbers between 1 to 100?

(2,3), (3,5), (5,7), (11,13), (17,19), (21,22), (29,31), (41,43), (59,61), (71,73), (87,88), (99,100), (28,57), (13,14), these are some of coprime numbers from 1 to 100.

## Which of the following is not co-prime?

Answer: (**12,21)** is the only pair of numbers which are not co prime. Step-by-step explanation: 12 and 21 have a common factor between them except 1 that is 3 .

## Is 10 and 16 are co-prime number?

17 and 35 have prime factors 1 , 17 and 1 , 5 , 7 respectively. Thus there is no other common factor other than 1. Therefore they are co – primes . **(10,16) , (20,24) , (31,64) each have common primes factors other than 1 thus these are not co – primes**.

## Are 15 and 37 co-prime numbers?

(b) 15 and 37

since both have only one common factor, i.e., 1, therefore, **they are co-prime numbers**.

## What is co-prime for Class 6?

**Any set of numbers which do not have any other common factor other than 1** are called co-prime or relatively prime numbers. This shows that 5 and 6 have no common factor other than 1. Therefore, they are co-prime numbers.

### References:

- https://www.shaalaa.com/question-bank-solutions/determine-whether-the-pairs-of-numbers-given-below-are-co-prime-numbers-15-16-concept-of-co-prime-number_172319
- https://www.lidolearning.com/questions/m-bb-selina6-ch8-ex8b-q6/q6-show-that-45-and-56-are-cop/
- https://www.cuemath.com/numbers/coprime-numbers/
- https://www.lidolearning.com/questions/m-bb-ncert6-ch3-ex3p4-q5/q5-which-of-the-following-numb/
- https://www.lidolearning.com/questions/m-bb-selina6-ch8-ex8b-q7/q7-out-of-15-16-21-and-28-find/
- https://byjus.com/maths/co-prime-numbers/
- https://byjus.com/maths/factors-of-45/
- https://www.vedantu.com/question-answer/are-the-prime-numbers-between-1-to-50-class-10-maths-cbse-5f7d4fa2d8cfdd6a04228d55
- https://www.cuemath.com/numbers/factors-of-16/
- https://www.cuemath.com/numbers/gcf-of-9-and-16/
- https://www.vedantu.com/question-answer/list-of-coprime-numbers-from-1-to-100-class-7-maths-cbse-608bb962b0c6cb7b4a81f50a
- https://brainly.in/question/27592173
- https://www.vedantu.com/question-answer/which-of-the-following-pairs-of-numbers-is-co-class-6-maths-cbse-5eec969766dc7e310997f9da
- https://byjus.com/questions/which-of-the-following-numbers-are-co-prime-a-18-and-35-b-15-and-37-c-30-and-415-d-17-and-168-e-216-and-215-f-81-and-16/
- https://www.examfear.com/notes/Class-6/Maths/Playing-With-Numbers/1663/Co-prime-numbers.htm