Greatest Common Factor of 768, 297, 249, 21

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

• Greatest Common Factor of 768, 297, 249, 21 by common division method
• Greatest Common Factor of 768, 297, 249, 21 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 768

List of positive integer factors of 768 that divides 768 without a remainder.

1,2,3,4,6,8,12,16,24,32,48,64,96,128,192,256,384,768

Factors of 297

List of positive integer factors of 297 that divides 297 without a remainder.

1,3,9,11,27,33,99,297

Factors of 249

List of positive integer factors of 249 that divides 249 without a remainder.

1,3,83,249

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 768,297,249,21 . The biggest common factor number is the GCF number.
So the greatest common factor 768,297,249,21 is 3.

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

• GCF of 101, 994, 357, 42
• GCF of 998, 186, 471, 17
• GCF of 672, 862, 605, 76
• GCF of 592, 539, 349, 52
• GCF of 265, 495, 428, 85

1. What is the GCF of 768, 297, 249, 21?

Answer: GCF of 768, 297, 249, 21 is 3.

2. How to Find the GCF of 768, 297, 249, 21

Answer: Greatest Common Factor(GCF) of 768, 297, 249, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(768, 297, 249, 21) = 3.