By treating it as a positive number. Since negative numbers include the factors of their positive counterparts and all positive numbers are greater than all negative numbers, the GCF will always be positive.
The GCFs of (3, 9), (3, -9), (-3, 9) and (-3, -9) are all the same: positive 3.
Chat with our AI personalities
You need at least two numbers to find a GCF. The GCF of 18 and 24 is 6.
You need at least two numbers to find a GCF.
Find the factor pairs of each number. The greatest factor in common is the GCF. A hint, the definition of a prime number is a number with only two factors: 1 and itself.
The GCF is 1.
The division ladder is a method used to find the greatest common factor (GCF) of two numbers by listing the factors of each number. To find the GCF of 82, you would start by factoring the number 82. The factors of 82 are 1, 2, 41, and 82. Therefore, the GCF of 82 is 1.