Greatest Common Factor of 57, 63, 81, 342

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

• Greatest Common Factor of 57, 63, 81, 342 by common division method
• Greatest Common Factor of 57, 63, 81, 342 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

Factors of 57

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

1,3,19,57

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 342

List of positive integer factors of 342 that divides 342 without a remainder.

1,2,3,6,9,18,19,38,57,114,171,342

Greatest Common Factor

We found the factors 57,63,81,342 . The biggest common factor number is the GCF number.
So the greatest common factor 57,63,81,342 is 3.

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

• GCF of 89, 29, 98, 615
• GCF of 89, 80, 33, 133
• GCF of 72, 33, 59, 490
• GCF of 87, 92, 19, 965
• GCF of 61, 43, 40, 173

1. What is the GCF of 57, 63, 81, 342?

Answer: GCF of 57, 63, 81, 342 is 3.

2. How to Find the GCF of 57, 63, 81, 342

Answer: Greatest Common Factor(GCF) of 57, 63, 81, 342 = 3

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

Step 2: Then multiply all the prime factors GCF(57, 63, 81, 342) = 3.