16: 1 2 4 8 16
21: 1 3 7 21
gcf: 1
The GCF is 21.
The GCF is 1.The GCF of 14, 21 and 24 is 1.
The GCF is 16.
The GCF is 21.
The numbers that go into 21 are 1, 3, 7, and 21, while the factors of 16 are 1, 2, 4, 8, and 16. To find common factors of both numbers, we identify the factors of 21 and 16, which only share the number 1. Hence, the greatest common factor (GCF) of 21 and 16 is 1.
The GCF is 1.
GCF of 21 and 42: 21GCF of 16 and 25: 1
The greatest factor of 21 and 16 is 21, which is a factor of 21 but not of 16.
The GCF is 1.
2 2*21 = 42 2*8 = 16
16 and 21
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 21.
The GCF is 1.The GCF of 14, 21 and 24 is 1.
The Greatest Common Factor (GCF) is: 1