The two greatest factors of 12 are 12 and 6.
Short answer: There are none. There is neither a greatest common factor nor common factors of a single number, such as 12, because there cannot be any form of common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common. Thus, since there are not two or more numbers to compare, there are neither common factors nor a greatest common factor. The factors of 12 are 1, 2, 3, 4, 6, and 12. Examples: The common factors of 7 and 12 are only 1; the greatest common factor is 1. The common factors of 12 and 16 are 1, 2, and 4; the greatest common factor is 4. The common factors of 12 and 18 are 1, 2, 3, and 6; the greatest common factor is 6. The common factors of 12 and 30 are 1, 2, 3, and 6; the greatest common factor is 6. The common factors of 12 and 34 are 1 and 2; the greatest common factor is 2. The common factors of 12 and 44 are 1, 2, and 4; the greatest common factor is 4. The common factors of 12 and 96 are 1, 2, 3, 4, 6, and 12; the greatest common factor is 12.
The greatest common factor of the numbers 12, 24 and 48 is 12.The factors of 12 are 1,2,3,4,6,12The factors of 24 are 1,2,3,4,6,8,12,24The factors of 48 are 1,2,3,4,6,8,12,16,24,48so the greatest common factor is 12
12
12
The common factors are 1 and 3. The greatest of these is 3.
You need at least two numbers to find a GCF. If that's 12 and 36, the GCF is 12.
12, 24 Factors of 12 = 1, 2, 3, 4, 6, 12 Factors of 24 = 1,2,3,4,6,8,12, 24
Prime factors of 12 2x2x3 Prime factors of 36 2x2x3x3 Greatest common factor of 12 and 36 = 2x2x3 = 12
In general, all common factors of two (or more) numbers are factors of its GREATEST common factor. Thus, you need to start by using the methods you were taught, to find the greatest common factor.
The greatest common factor of 12 and 24, is 12.
You need at least two numbers to find something in common. If that's 12 and 22, the common factors are 1 and 2. The greatest of these is 2.