Greatest Common Factor of 21, 495, 266

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

• Greatest Common Factor of 21, 495, 266 by common division method
• Greatest Common Factor of 21, 495, 266 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 21

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

1,3,7,21

Factors of 495

List of positive integer factors of 495 that divides 495 without a remainder.

1,3,5,9,11,15,33,45,55,99,165,495

Factors of 266

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

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

Greatest Common Factor

We found the factors 21,495,266 . The biggest common factor number is the GCF number.
So the greatest common factor 21,495,266 is 1.

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

• GCF of 60, 379, 641
• GCF of 90, 600, 720
• GCF of 28, 662, 941
• GCF of 39, 798, 506
• GCF of 57, 632, 338

1. What is the GCF of 21, 495, 266?

Answer: GCF of 21, 495, 266 is 1.

2. How to Find the GCF of 21, 495, 266

Answer: Greatest Common Factor(GCF) of 21, 495, 266 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 495, 266) = 1.