Greatest Common Factor of 21, 92, 72, 12

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

• Greatest Common Factor of 21, 92, 72, 12 by common division method
• Greatest Common Factor of 21, 92, 72, 12 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 92

List of positive integer factors of 92 that divides 92 without a remainder.

1,2,4,23,46,92

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 12

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

1,2,3,4,6,12

Greatest Common Factor

We found the factors 21,92,72,12 . The biggest common factor number is the GCF number.
So the greatest common factor 21,92,72,12 is 1.

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

• GCF of 33, 94, 24, 17
• GCF of 90, 18, 80, 78
• GCF of 94, 90, 64, 24
• GCF of 70, 86, 23, 10
• GCF of 92, 90, 64, 73

1. What is the GCF of 21, 92, 72, 12?

Answer: GCF of 21, 92, 72, 12 is 1.

2. How to Find the GCF of 21, 92, 72, 12

Answer: Greatest Common Factor(GCF) of 21, 92, 72, 12 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 92, 72, 12) = 1.