No.
No because 4 is not a factor of 98
No.
The GCF is 2.
Use a factor tree. 98 49,2 7,7,2
Since 49 is a factor of 98, it is automatically the GCF.
You must have at least two whole numbers to determine a greatest common factor.
The greatest common factor of 98 and 112 is 14.
The greatest common factor of 34 and 98 is 2.
Since 49 is a factor of 98, it is automatically the GCF.
1, 2, 4, 7, 14, 28, 49, 98, 196 2 and 7 are prime.
The factor pairs of 98 are (1,98), (2,49), and (7,14).
The Greatest Common Factor (GCF) of 21 and 98 is 7.