Math, asked by parveen5579, 8 months ago

Q4.
Which of the pairs are not co-prime
(a) 4,9 (b) 5,7
(c) 9,16
(d) 9,21

Answers

Answered by srujana19006ee029

0

Answer:

b is answer why because 5,7 are prime numbers

Answered by anjalikumari64

0

Answer:

b) 5,7

Step-by-step explanation:

Factors of 5 is 1 and 5

Factors of 7 is 1 and 7

Here 1 is common in both.

hence HCF is 1

therefore 5,7 is a pair of co prime number

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