Greatest Common Factor of 81, 72, 84, 342

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

• Greatest Common Factor of 81, 72, 84, 342 by common division method
• Greatest Common Factor of 81, 72, 84, 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 81

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

1,3,9,27,81

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

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 81,72,84,342 . The biggest common factor number is the GCF number.
So the greatest common factor 81,72,84,342 is 3.

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

• GCF of 84, 93, 15, 765
• GCF of 42, 44, 19, 380
• GCF of 78, 55, 43, 321
• GCF of 55, 50, 67, 222
• GCF of 18, 21, 51, 275

1. What is the GCF of 81, 72, 84, 342?

Answer: GCF of 81, 72, 84, 342 is 3.

2. How to Find the GCF of 81, 72, 84, 342

Answer: Greatest Common Factor(GCF) of 81, 72, 84, 342 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 72, 84, 342) = 3.