Greatest Common Factor of 21, 222, 680

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

• Greatest Common Factor of 21, 222, 680 by common division method
• Greatest Common Factor of 21, 222, 680 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 21

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

1,3,7,21

Factors of 222

List of positive integer factors of 222 that divides 222 without a remainder.

1,2,3,6,37,74,111,222

Factors of 680

List of positive integer factors of 680 that divides 680 without a remainder.

1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680

Greatest Common Factor

We found the factors 21,222,680 . The biggest common factor number is the GCF number.
So the greatest common factor 21,222,680 is 1.

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

• GCF of 87, 801, 945
• GCF of 21, 142, 622
• GCF of 20, 489, 457
• GCF of 47, 338, 433
• GCF of 85, 655, 862

1. What is the GCF of 21, 222, 680?

Answer: GCF of 21, 222, 680 is 1.

2. How to Find the GCF of 21, 222, 680

Answer: Greatest Common Factor(GCF) of 21, 222, 680 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 222, 680) = 1.