Greatest Common Factor of 21, 36, 207

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

• Greatest Common Factor of 21, 36, 207 by common division method
• Greatest Common Factor of 21, 36, 207 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 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 207

List of positive integer factors of 207 that divides 207 without a remainder.

1,3,9,23,69,207

Greatest Common Factor

We found the factors 21,36,207 . The biggest common factor number is the GCF number.
So the greatest common factor 21,36,207 is 3.

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

• GCF of 14, 56, 274
• GCF of 70, 17, 816
• GCF of 79, 64, 419
• GCF of 20, 97, 863
• GCF of 89, 63, 679

1. What is the GCF of 21, 36, 207?

Answer: GCF of 21, 36, 207 is 3.

2. How to Find the GCF of 21, 36, 207

Answer: Greatest Common Factor(GCF) of 21, 36, 207 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 36, 207) = 3.