Greatest Common Factor of 11, 21, 12, 24

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

• Greatest Common Factor of 11, 21, 12, 24 by common division method
• Greatest Common Factor of 11, 21, 12, 24 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 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

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 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Greatest Common Factor

We found the factors 11,21,12,24 . The biggest common factor number is the GCF number.
So the greatest common factor 11,21,12,24 is 1.

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

• GCF of 60, 23, 29, 43
• GCF of 40, 58, 75, 82
• GCF of 55, 46, 30, 74
• GCF of 64, 70, 18, 84
• GCF of 17, 36, 44, 48

1. What is the GCF of 11, 21, 12, 24?

Answer: GCF of 11, 21, 12, 24 is 1.

2. How to Find the GCF of 11, 21, 12, 24

Answer: Greatest Common Factor(GCF) of 11, 21, 12, 24 = 1

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

Step 2: Then multiply all the prime factors GCF(11, 21, 12, 24) = 1.