Greatest Common Factor of 697, 71, 21

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

• Greatest Common Factor of 697, 71, 21 by common division method
• Greatest Common Factor of 697, 71, 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 697

List of positive integer factors of 697 that divides 697 without a remainder.

1,17,41,697

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

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 697,71,21 . The biggest common factor number is the GCF number.
So the greatest common factor 697,71,21 is 1.

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

• GCF of 647, 43, 84
• GCF of 765, 39, 59
• GCF of 968, 98, 95
• GCF of 187, 87, 49
• GCF of 260, 70, 82

1. What is the GCF of 697, 71, 21?

Answer: GCF of 697, 71, 21 is 1.

2. How to Find the GCF of 697, 71, 21

Answer: Greatest Common Factor(GCF) of 697, 71, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(697, 71, 21) = 1.