Question

circle the numbers which are co-prime to the first numbers in a row. a)40,60,33,72,81,60,37 b) 47,94,86,43,188,230

Answer 1

Question :

A) 40,60,33,72,81,60,37

Answer :

37

Question :

B) 47,94,86,43,188,230

Answer :

47, 43

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Answer 2

Step-by-step explanation:

Factors of 15 are 1, 3, 5 and 15. Factors of 37 are 1 and 37. Therefore, 1 is the only common factor of 15 and 37 which means that 15 and 37 are co-prime.