Greatest Common Factor of 21, 27, 22, 286

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

• Greatest Common Factor of 21, 27, 22, 286 by common division method
• Greatest Common Factor of 21, 27, 22, 286 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 27

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

1,3,9,27

Factors of 22

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

1,2,11,22

Factors of 286

List of positive integer factors of 286 that divides 286 without a remainder.

1,2,11,13,22,26,143,286

Greatest Common Factor

We found the factors 21,27,22,286 . The biggest common factor number is the GCF number.
So the greatest common factor 21,27,22,286 is 1.

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

• GCF of 23, 23, 20, 653
• GCF of 26, 46, 42, 260
• GCF of 61, 93, 41, 389
• GCF of 54, 75, 97, 698
• GCF of 52, 23, 51, 160

1. What is the GCF of 21, 27, 22, 286?

Answer: GCF of 21, 27, 22, 286 is 1.

2. How to Find the GCF of 21, 27, 22, 286

Answer: Greatest Common Factor(GCF) of 21, 27, 22, 286 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 27, 22, 286) = 1.