Question

which of the following numbers are co prime 216 and 215 ??
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Answer 1

Answer:

As they have no common factors, 15 and 37 are co-prime numbers. As they have a common factor - 5, hence 30 and 415 are not co-prime. As they have no common factors, 17 and 168 are coprime numbers. As they have no common factors, 216 and 215 are coprime numbers.

Answer 2

Answer:

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Step-by-step explanation:

so basically co prime numbers are numbers which are having a common factor

so here numbers 216 and 215 are even and odd numbers respectively

so 216 is divisible by 1,2,3,4,6,8,9,12,18,24,36,72,108 and by 216 itself

whereas 215 is divisible by 1,5,43,and by 215 itself

so here 1 is common factor in both numbers

hence co prime number of 216 and 215 is 1