Greatest Common Factor of 21, 27, 68, 265

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

• Greatest Common Factor of 21, 27, 68, 265 by common division method
• Greatest Common Factor of 21, 27, 68, 265 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 265

List of positive integer factors of 265 that divides 265 without a remainder.

1,5,53,265

Greatest Common Factor

We found the factors 21,27,68,265 . The biggest common factor number is the GCF number.
So the greatest common factor 21,27,68,265 is 1.

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

• GCF of 18, 85, 73, 924
• GCF of 59, 80, 93, 287
• GCF of 94, 49, 50, 261
• GCF of 66, 35, 24, 111
• GCF of 62, 45, 79, 728

1. What is the GCF of 21, 27, 68, 265?

Answer: GCF of 21, 27, 68, 265 is 1.

2. How to Find the GCF of 21, 27, 68, 265

Answer: Greatest Common Factor(GCF) of 21, 27, 68, 265 = 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, 68, 265) = 1.