Greatest Common Factor of 711, 712, 21

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

• Greatest Common Factor of 711, 712, 21 by common division method
• Greatest Common Factor of 711, 712, 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 711

List of positive integer factors of 711 that divides 711 without a remainder.

1,3,9,79,237,711

Factors of 712

List of positive integer factors of 712 that divides 712 without a remainder.

1,2,4,8,89,178,356,712

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 711,712,21 . The biggest common factor number is the GCF number.
So the greatest common factor 711,712,21 is 1.

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

• GCF of 193, 191, 60
• GCF of 734, 471, 64
• GCF of 307, 660, 67
• GCF of 928, 281, 45
• GCF of 890, 736, 15

1. What is the GCF of 711, 712, 21?

Answer: GCF of 711, 712, 21 is 1.

2. How to Find the GCF of 711, 712, 21

Answer: Greatest Common Factor(GCF) of 711, 712, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(711, 712, 21) = 1.