Greatest Common Factor of 21, 68, 23, 260

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

• Greatest Common Factor of 21, 68, 23, 260 by common division method
• Greatest Common Factor of 21, 68, 23, 260 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 260

List of positive integer factors of 260 that divides 260 without a remainder.

1,2,4,5,10,13,20,26,52,65,130,260

Greatest Common Factor

We found the factors 21,68,23,260 . The biggest common factor number is the GCF number.
So the greatest common factor 21,68,23,260 is 1.

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

• GCF of 76, 80, 73, 801
• GCF of 12, 26, 71, 507
• GCF of 31, 52, 43, 756
• GCF of 56, 26, 65, 907
• GCF of 23, 79, 88, 537

1. What is the GCF of 21, 68, 23, 260?

Answer: GCF of 21, 68, 23, 260 is 1.

2. How to Find the GCF of 21, 68, 23, 260

Answer: Greatest Common Factor(GCF) of 21, 68, 23, 260 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 68, 23, 260) = 1.