1, 3, 7, 9, 21, 27, 63, 189.
The prime numbers (factors) of 189 are: 3 and 7
63, 126, 189 and so on.
1 x 189, 3 x 63, 7 x 27, 9 x 21.
There are 14 such numbers between 16 and 189.
63*3=189
Factors of 189: 1, 3, 9, 21, 63, 189,
The LCM is 189.
378 or 2*189 or 2*3*89. 89 is prime.
They are: 3*3*3*7 = 189
You need at least two numbers to find a GCF.
No, as even numbers are only numbers that can be divisible by 2.