Question

Which of the following are the pairs of coprimes ?​

Answer 1

Answer:

Are 18 and 35 Coprime Numbers? Yes, 18 and 35 are co-prime numbers. The factors of 18 are 1, 2, 3, 6, 9, and 18 while the factors of 35 are 1, 5, 7, and 35. Since the HCF is 1, they are coprime.

Answer 2

Answer:

∴  (18,25) is pair of co-prime. are the pairs of co-primes

Step-by-step explanation:

Factors of 14=1,2,7

Factors of 35=1,5,7

⇒ Common factor =1,7

∴  (14,35) is not pair of co-prime.

Factors of 18=1,2,3,6,9

Factors of 25=1,5

⇒ Common factor =1

∴  (18,25) is pair of co-prime.

Factors of 31=1,31

Factors of 93=1,3,31

⇒ Common factor =1,31

∴  (31,93) is not pair of co-prime.

Factors of 32=1,2,4,8,16

Factors of 62=1,2,31

⇒ Common factor =1,2

∴  (32,62) is not pair of co-prime.

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