21 and 42.
You need at least two numbers to find a GCF. The GCF of 21 and 42 is 21.
7, 14 and 21
You need at least two numbers to find a GCF.For example:The GCF of 21 and 9 = 3The GCF of 21 and 28 = 7
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The two numbers whose sum is 58 and whose difference is 16 are 21 and 37.
You need at least two numbers to find a GCF. If that's 21 and 25, the GCF is 1.
You need at least two numbers to find a GCF. If that's 21, 24 and 27, the GCF is 3.
The numbers are 20 and 21.
The GCF is 7.
You need at least two numbers to find a GCF. If that's 21, 24 and 27, the GCF is 3.
The GCF of 9 and 21 is 3.
3 and 42 6 and 21