Greatest Common Factor of 981, 266, 21

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

• Greatest Common Factor of 981, 266, 21 by common division method
• Greatest Common Factor of 981, 266, 21 with matching the biggest common factor

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

Factors of 981

List of positive integer factors of 981 that divides 981 without a remainder.

1,3,9,109,327,981

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 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 981,266,21 . The biggest common factor number is the GCF number.
So the greatest common factor 981,266,21 is 1.

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

• GCF of 360, 680, 50
• GCF of 271, 829, 37
• GCF of 693, 884, 70
• GCF of 495, 671, 56
• GCF of 789, 835, 72

1. What is the GCF of 981, 266, 21?

Answer: GCF of 981, 266, 21 is 1.

2. How to Find the GCF of 981, 266, 21

Answer: Greatest Common Factor(GCF) of 981, 266, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(981, 266, 21) = 1.