Question

which of the following are pair of coprime 8 and 14​

Answer 1

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.

Answer 2

Answer:

coprime numbers on number that have only one common factor that is one there is also two common factor in both the numbers so it is a not prime numbers.

prime factors of 8 is 2 x 2 x 2 × 1

prime factors of 14 is 2 x 7 × 1

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