Greatest Common Factor of 21, 10, 611

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

• Greatest Common Factor of 21, 10, 611 by common division method
• Greatest Common Factor of 21, 10, 611 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 611

List of positive integer factors of 611 that divides 611 without a remainder.

1,13,47,611

Greatest Common Factor

We found the factors 21,10,611 . The biggest common factor number is the GCF number.
So the greatest common factor 21,10,611 is 1.

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

• GCF of 76, 95, 709
• GCF of 82, 76, 669
• GCF of 75, 81, 127
• GCF of 73, 57, 397
• GCF of 66, 91, 951

1. What is the GCF of 21, 10, 611?

Answer: GCF of 21, 10, 611 is 1.

2. How to Find the GCF of 21, 10, 611

Answer: Greatest Common Factor(GCF) of 21, 10, 611 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 10, 611) = 1.