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The greatest common factor of 18 , 7 = 1
There isn't one. 7 cannot reduce and 18 can reduce, but not in a factor of 7.
The GCF of 7 and 18 is 1 because 7 is a prime number and seven does not go into 18.
Yes, because 126 divided by 7 is 18 (if the answer is a whole number, it is a factor)
The only common factor is 1.
18 x 7 = 126
The factors of 7 are:1, 7The factors of 18 are:1, 2, 3, 6, 9, 18The common factor is:1
1
The concept of a factor makes proper sense only in the context of integers. Otherwise, any non-zero number can be factor of any other number. For example, radical 7 is a factor of radical 18 since radical(180) = radical(7) * radical (18/7)
The GCF is 18.
7 and 18 are co-prime (have no common factor) so the LCM is 7 x 18 ie 126
5 + 2 = 7