You need at least two numbers to find a GCF. If that's 2 and 79, the GCF is 1. If that's 27 and 9, the GCF is 9.
yes
The GCF of 18, 4 and 27 is 1. I saw this straight away as 4 only has factors of 4, 2 and 1. 4 or 2 don't go into 27. Therefore the GCF has to be 1.
The GCF of 14 and 48 is 2. The GCF of 81 and 135 is 27. The GCF of all four is 1.
LCM/GCF = 54/9 = 6 So you require two factors of 6 such that their maximum is the smallest. Therefore, rather than 1 and 6, you select 2 and 3. The two numbers are GCF*2 and GCF*3, that is 18 and 27.
You need at least two numbers to find a GCF. If that's 2 and 79, the GCF is 1. If that's 27 and 9, the GCF is 9.
The GCF is 1.
yes
The GCF of 6345 and 54 is 27. There are no further divisible numbers in common. This leaves you with 235 and 2 respectively.
You need at least two numbers to find a GCF. If that's 2 and 7, the GCF is 1.
The GCF of 18, 4 and 27 is 1. I saw this straight away as 4 only has factors of 4, 2 and 1. 4 or 2 don't go into 27. Therefore the GCF has to be 1.
The GCF of 14 and 48 is 2. The GCF of 81 and 135 is 27. The GCF of all four is 1.
LCM/GCF = 54/9 = 6 So you require two factors of 6 such that their maximum is the smallest. Therefore, rather than 1 and 6, you select 2 and 3. The two numbers are GCF*2 and GCF*3, that is 18 and 27.
Only if you're comparing a number to itself. The GCF and LCM of 10 and 10 is 10.
Any consecutive even numbers have a GCF of 2.
The GCF of 16, 18 and 27 is 1. The prime factorization of 16 is 2*2*2*2 The prime factorization of 18 is 2*3*3 The prime factorization of 27 is 3*3*3 The numbers have no common factors except 1, so that is their GCF.
The numbers 2 and 30 have a GCF of 2 and an LCM of 30.