Greatest Common Factor of 21, 76, 774

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

• Greatest Common Factor of 21, 76, 774 by common division method
• Greatest Common Factor of 21, 76, 774 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 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Factors of 774

List of positive integer factors of 774 that divides 774 without a remainder.

1,2,3,6,9,18,43,86,129,258,387,774

Greatest Common Factor

We found the factors 21,76,774 . The biggest common factor number is the GCF number.
So the greatest common factor 21,76,774 is 1.

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

• GCF of 48, 70, 678
• GCF of 54, 71, 522
• GCF of 57, 25, 379
• GCF of 30, 84, 722
• GCF of 44, 84, 498

1. What is the GCF of 21, 76, 774?

Answer: GCF of 21, 76, 774 is 1.

2. How to Find the GCF of 21, 76, 774

Answer: Greatest Common Factor(GCF) of 21, 76, 774 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 76, 774) = 1.