Greatest Common Factor of 21, 39, 27, 968

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

• Greatest Common Factor of 21, 39, 27, 968 by common division method
• Greatest Common Factor of 21, 39, 27, 968 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 968

List of positive integer factors of 968 that divides 968 without a remainder.

1,2,4,8,11,22,44,88,121,242,484,968

Greatest Common Factor

We found the factors 21,39,27,968 . The biggest common factor number is the GCF number.
So the greatest common factor 21,39,27,968 is 1.

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

• GCF of 38, 14, 13, 745
• GCF of 17, 24, 16, 408
• GCF of 78, 65, 67, 509
• GCF of 51, 39, 24, 971
• GCF of 64, 29, 78, 750

1. What is the GCF of 21, 39, 27, 968?

Answer: GCF of 21, 39, 27, 968 is 1.

2. How to Find the GCF of 21, 39, 27, 968

Answer: Greatest Common Factor(GCF) of 21, 39, 27, 968 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 39, 27, 968) = 1.