Greatest Common Factor of 21, 12, 976

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

• Greatest Common Factor of 21, 12, 976 by common division method
• Greatest Common Factor of 21, 12, 976 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 976

List of positive integer factors of 976 that divides 976 without a remainder.

1,2,4,8,16,61,122,244,488,976

Greatest Common Factor

We found the factors 21,12,976 . The biggest common factor number is the GCF number.
So the greatest common factor 21,12,976 is 1.

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

• GCF of 24, 81, 846
• GCF of 77, 48, 974
• GCF of 56, 39, 952
• GCF of 66, 59, 264
• GCF of 21, 26, 103

1. What is the GCF of 21, 12, 976?

Answer: GCF of 21, 12, 976 is 1.

2. How to Find the GCF of 21, 12, 976

Answer: Greatest Common Factor(GCF) of 21, 12, 976 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 12, 976) = 1.