Greatest Common Factor of 21, 12, 246

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 21, 12, 246 by common division method
• Greatest Common Factor of 21, 12, 246 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 246

List of positive integer factors of 246 that divides 246 without a remainder.

1,2,3,6,41,82,123,246

Greatest Common Factor

We found the factors 21,12,246 . The biggest common factor number is the GCF number.
So the greatest common factor 21,12,246 is 3.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 52, 48, 782
• GCF of 83, 60, 920
• GCF of 64, 86, 902
• GCF of 79, 51, 373
• GCF of 39, 89, 300

1. What is the GCF of 21, 12, 246?

Answer: GCF of 21, 12, 246 is 3.

2. How to Find the GCF of 21, 12, 246

Answer: Greatest Common Factor(GCF) of 21, 12, 246 = 3

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(21, 12, 246) = 3.