Greatest Common Factor of 21, 266, 385

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

• Greatest Common Factor of 21, 266, 385 by common division method
• Greatest Common Factor of 21, 266, 385 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 7 = 7

Factors of 21

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

1,3,7,21

Factors of 266

List of positive integer factors of 266 that divides 266 without a remainder.

1,2,7,14,19,38,133,266

Factors of 385

List of positive integer factors of 385 that divides 385 without a remainder.

1,5,7,11,35,55,77,385

Greatest Common Factor

We found the factors 21,266,385 . The biggest common factor number is the GCF number.
So the greatest common factor 21,266,385 is 7.

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

• GCF of 46, 586, 485
• GCF of 95, 841, 431
• GCF of 73, 170, 455
• GCF of 74, 650, 700
• GCF of 23, 333, 953

1. What is the GCF of 21, 266, 385?

Answer: GCF of 21, 266, 385 is 7.

2. How to Find the GCF of 21, 266, 385

Answer: Greatest Common Factor(GCF) of 21, 266, 385 = 7

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

Step 2: Then multiply all the prime factors GCF(21, 266, 385) = 7.