Question

1. Which of the following pairs are co-prime?
(a) 16 and 21 (b) 18 and 35 (c) 24 and 39 (d) 46 and 108
le) 55 and 57​

Answer 1

Answer:

a,b,e

Step-by-step explanation:

When two numbers have no common factors other than 1.

In other words there is no whole number that you could divide them both by exactly (without any remainder).

a,b,e dont have common factors but c have 3 as common factor

and

d has 2 as common factor..

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Answer 2

The following pairs of numbers are co prime numbers:

a. 16 and 21

b. 18 and 35

e. 55 and 57

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