1 is a factor of any integer. Other factors of 18 include 2,9,3,6 and 18 itself.
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1 is a factor of 18; neither 1 nor 18 is prime.
The greatest common factor of 18 and 55 is 1.
18(w - 1)
greatest common factor of 18 & 125 is 1.
It is 1 but the highest common factor is 18
6, is the greatest common factor of 12 and 18.
The greatest common factor of 18 , 7 = 1
The greatest common factor of 18 and 47 is 1.
Since 5 is prime, and not a factor of 18, the only positive integer common factor of 5 and 18 is 1.
It is: 1
1
The only common factor of 5, 9, and 18 is 1. The factors of 5 are 1 and 5 The factors of 9 are 1, 3, and 9 The factors of 18 are 1, 2, 3, 6, 9 and 18 The common factor is 1.