Greatest Common Factor of 22, 57, 21, 272

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

• Greatest Common Factor of 22, 57, 21, 272 by common division method
• Greatest Common Factor of 22, 57, 21, 272 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 22

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

1,2,11,22

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 272

List of positive integer factors of 272 that divides 272 without a remainder.

1,2,4,8,16,17,34,68,136,272

Greatest Common Factor

We found the factors 22,57,21,272 . The biggest common factor number is the GCF number.
So the greatest common factor 22,57,21,272 is 1.

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

• GCF of 32, 17, 63, 519
• GCF of 62, 54, 12, 958
• GCF of 61, 91, 62, 434
• GCF of 64, 25, 69, 579
• GCF of 50, 15, 65, 743

1. What is the GCF of 22, 57, 21, 272?

Answer: GCF of 22, 57, 21, 272 is 1.

2. How to Find the GCF of 22, 57, 21, 272

Answer: Greatest Common Factor(GCF) of 22, 57, 21, 272 = 1

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

Step 2: Then multiply all the prime factors GCF(22, 57, 21, 272) = 1.