Greatest Common Factor of 57, 68, 65, 243

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

• Greatest Common Factor of 57, 68, 65, 243 by common division method
• Greatest Common Factor of 57, 68, 65, 243 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 57

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

1,3,19,57

Factors of 68

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

1,2,4,17,34,68

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 243

List of positive integer factors of 243 that divides 243 without a remainder.

1,3,9,27,81,243

Greatest Common Factor

We found the factors 57,68,65,243 . The biggest common factor number is the GCF number.
So the greatest common factor 57,68,65,243 is 1.

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

• GCF of 84, 52, 10, 903
• GCF of 31, 61, 66, 593
• GCF of 74, 93, 87, 438
• GCF of 35, 88, 78, 731
• GCF of 24, 63, 17, 813

1. What is the GCF of 57, 68, 65, 243?

Answer: GCF of 57, 68, 65, 243 is 1.

2. How to Find the GCF of 57, 68, 65, 243

Answer: Greatest Common Factor(GCF) of 57, 68, 65, 243 = 1

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

Step 2: Then multiply all the prime factors GCF(57, 68, 65, 243) = 1.