Greatest Common Factor of 21, 691, 713

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

• Greatest Common Factor of 21, 691, 713 by common division method
• Greatest Common Factor of 21, 691, 713 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 691

List of positive integer factors of 691 that divides 691 without a remainder.

1,691

Factors of 713

List of positive integer factors of 713 that divides 713 without a remainder.

1,23,31,713

Greatest Common Factor

We found the factors 21,691,713 . The biggest common factor number is the GCF number.
So the greatest common factor 21,691,713 is 1.

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

• GCF of 10, 734, 585
• GCF of 83, 972, 132
• GCF of 16, 516, 863
• GCF of 36, 365, 414
• GCF of 67, 380, 182

1. What is the GCF of 21, 691, 713?

Answer: GCF of 21, 691, 713 is 1.

2. How to Find the GCF of 21, 691, 713

Answer: Greatest Common Factor(GCF) of 21, 691, 713 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 691, 713) = 1.