Greatest Common Factor of 21, 73, 22, 440

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

• Greatest Common Factor of 21, 73, 22, 440 by common division method
• Greatest Common Factor of 21, 73, 22, 440 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 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 440

List of positive integer factors of 440 that divides 440 without a remainder.

1,2,4,5,8,10,11,20,22,40,44,55,88,110,220,440

Greatest Common Factor

We found the factors 21,73,22,440 . The biggest common factor number is the GCF number.
So the greatest common factor 21,73,22,440 is 1.

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

• GCF of 53, 22, 63, 133
• GCF of 13, 12, 52, 836
• GCF of 94, 97, 35, 797
• GCF of 88, 23, 93, 772
• GCF of 36, 38, 14, 523

1. What is the GCF of 21, 73, 22, 440?

Answer: GCF of 21, 73, 22, 440 is 1.

2. How to Find the GCF of 21, 73, 22, 440

Answer: Greatest Common Factor(GCF) of 21, 73, 22, 440 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 73, 22, 440) = 1.