which pair of numbers has a greatest common factor of 1?
7,20
3,45
15,18
4,16
The required pair is 7, 20 where number the greatest common factor is 1.
Given that,
which pair of numbers has the greatest common factor of 1 is to be determined from the options given below.
7,20 3,45 15,18 4,16
The greatest common factor is defined as the factor of value among the various value that is greatest and common among their factors is the Greatest common factor.
Here,
Greatest common factors
For 7, 20 = 1
For 3, 45 = 3
For 15 , 18 = 3
For 4, 16 = 4
Thus, the required pair is 7, 20 where number the greatest common factor is 1.
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